Backed out changeset d2f4da0ae681 (bug 1363059) for failing own test browser_startup_images.js, at least on Windows 7 VM debug with e10s. r=backout

browser/base/content/test/performance/browser.ini

@@ -3,8 +3,6 @@ support-files =
   head.js
 [browser_appmenu_reflows.js]
 [browser_startup.js]
-[browser_startup_images.js]
-skip-if = !debug
 [browser_tabclose_grow_reflows.js]
 [browser_tabclose_reflows.js]
 [browser_tabopen_reflows.js]

browser/base/content/test/performance/browser_startup.js

@@ -105,7 +105,7 @@ function test() {
     return;
   }
 
-  let data = Cc["@mozilla.org/test/startuprecorder;1"].getService().wrappedJSObject.data.code;
+  let data = Cc["@mozilla.org/test/startuprecorder;1"].getService().wrappedJSObject.data;
   // Keep only the file name for components, as the path is an absolute file
   // URL rather than a resource:// URL like for modules.
   for (let phase in data) {

browser/base/content/test/performance/browser_startup_images.js

@@ -1,201 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-"use strict";
-
-/* A whitelist of images that are loaded at startup but not shown.
- * List items support the following attributes:
- *  - file: The location of the loaded image file.
- *  - hidpi: An alternative hidpi file location for retina screens, if one exists.
- *           May be the magic string <not loaded> in strange cases where
- *           only the low-resolution image is loaded but not shown.
- *  - platforms: An array of the platforms where the issue is occurring.
- *               Possible values are linux, win, macosx.
- *  - intermittentNotLoaded: an array of platforms where this image is
- *                           intermittently not loaded, e.g. because it is
- *                           loaded during the time we stop recording.
- *  - intermittentShown: An array of platforms where this image is
- *                       intermittently shown, contrary to what our
- *                       whitelist says.
- *
- * Please don't add items to this list. Please remove items from this list.
- */
-const whitelist = [
-  {
-    file: "chrome://browser/skin/fxa/sync-illustration.svg",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-overflow-indicator.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/stop.svg",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/sidebars.svg",
-    platforms: ["linux", "win", "macosx"],
-    intermittentNotLoaded: ["macosx"],
-  },
-  {
-    file: "chrome://pocket-shared/skin/pocket.svg",
-    platforms: ["linux", "win", "macosx"],
-    intermittentNotLoaded: ["macosx"],
-  },
-  {
-    file: "chrome://browser/skin/places/toolbarDropMarker.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tracking-protection-16.svg#enabled",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/toolbarbutton-dropdown-arrow.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://global/skin/icons/autoscroll.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-background-end.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tab-background-end@2x.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-background-middle.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tab-background-middle@2x.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-background-start.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tab-background-start@2x.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tabbrowser/tabDragIndicator.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tabDragIndicator@2x.png",
-    platforms: ["linux", "win", "macosx"],
-  },
-
-  {
-    file: "resource://gre-resources/loading-image.png",
-    platforms: ["win", "macosx"],
-    intermittentNotLoaded: ["win", "macosx"],
-  },
-  {
-    file: "resource://gre-resources/broken-image.png",
-    platforms: ["win", "macosx"],
-    intermittentNotLoaded: ["win", "macosx"],
-  },
-
-  {
-    file: "chrome://browser/skin/places/unfiledBookmarks.png",
-    hidpi: "<not loaded>",
-    platforms: ["win", "macosx"],
-    intermittentNotLoaded: ["win"],
-  },
-  {
-    file: "chrome://browser/skin/urlbar-history-dropmarker.png",
-    hidpi: "<not loaded>",
-    platforms: ["win", "macosx"],
-    intermittentShown: ["win"],
-  },
-
-  {
-    file: "chrome://global/skin/icons/chevron.png",
-    hidpi: "chrome://global/skin/icons/chevron@2x.png",
-    platforms: ["macosx"],
-  },
-
-  {
-    file: "chrome://browser/skin/tabbrowser/alltabs-box-bkgnd-icon.png",
-    hidpi: "chrome://browser/skin/tabbrowser/alltabs-box-bkgnd-icon@2x.png",
-    platforms: ["macosx"],
-  },
-
-  {
-    file: "chrome://global/skin/toolbar/chevron.gif",
-    platforms: ["win", "linux"],
-  },
-  {
-    file: "chrome://browser/skin/reload-stop-go.png",
-    platforms: ["win", "linux"],
-    intermittentShown: ["win"],
-  },
-
-  {
-    file: "chrome://browser/skin/tabbrowser/alltabs.png",
-    platforms: ["linux"],
-  },
-
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-arrow-left.svg",
-    platforms: ["win"],
-  },
-
-  {
-    file: "chrome://global/skin/icons/resizer.png",
-    platforms: ["win"],
-  },
-
-  {
-    file: "chrome://global/skin/icons/resizer.png",
-    platforms: ["win"],
-  },
-
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-arrow-left.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tab-arrow-left@2x.png",
-    platforms: ["linux", "macosx"],
-  },
-  {
-    file: "chrome://browser/skin/tabbrowser/tab-arrow-right.png",
-    hidpi: "chrome://browser/skin/tabbrowser/tab-arrow-right@2x.png",
-    platforms: ["macosx"],
-  },
-];
-
-function test() {
-  let data = Cc["@mozilla.org/test/startuprecorder;1"].getService().wrappedJSObject.data.images;
-  let platformWhitelist = whitelist.filter(el => el.platforms.includes(AppConstants.platform));
-
-  let loadedImages = data["image-loading"];
-  let shownImages = data["image-drawing"];
-
-  for (let loaded of loadedImages.values()) {
-    let whitelistItem = platformWhitelist.find(el => {
-      if (window.devicePixelRatio >= 2 && el.hidpi && el.hidpi == loaded) {
-        return true;
-      }
-      return el.file == loaded;
-    });
-    if (whitelistItem) {
-      if (!whitelistItem.intermittentShown ||
-          !whitelistItem.intermittentShown.includes(AppConstants.platform)) {
-        todo(shownImages.has(loaded), `Loaded image ${loaded} is not shown but whitelisted.`);
-      }
-      continue;
-    }
-    ok(shownImages.has(loaded), `Loaded image ${loaded} was shown.`);
-  }
-
-  // Check for unneeded whitelist entries.
-  for (let item of platformWhitelist) {
-    if (!item.intermittentNotLoaded ||
-        !item.intermittentNotLoaded.includes(AppConstants.platform)) {
-      if (window.devicePixelRatio >= 2 && item.hidpi) {
-        if (item.hidpi != "<not loaded>") {
-          ok(loadedImages.has(item.hidpi), `Whitelisted image ${item.hidpi} was loaded.`);
-          ok(!shownImages.has(item.hidpi), `Whitelisted image ${item.hidpi} was not shown.`);
-        }
-      } else {
-        ok(loadedImages.has(item.file), `Whitelisted image ${item.file} was loaded.`);
-        ok(!shownImages.has(item.file), `Whitelisted image ${item.file} was not shown.`);
-      }
-    }
-  }
-}

browser/components/tests/startupRecorder.js

@@ -26,13 +26,7 @@ if (AppConstants.platform == "linux")
 function startupRecorder() {
   this.wrappedJSObject = this;
   this.loader = Cc["@mozilla.org/moz/jsloader;1"].getService(Ci.xpcIJSModuleLoader);
-  this.data = {
-    images: {
-      "image-drawing": new Set(),
-      "image-loading": new Set(),
-    },
-    code: {}
-  };
+  this.data = {};
 }
 startupRecorder.prototype = {
   classID: Components.ID("{11c095b2-e42e-4bdf-9dd0-aed87595f6a4}"),
@@ -40,7 +34,7 @@ startupRecorder.prototype = {
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
 
   record(name) {
-    this.data.code[name] = {
+    this.data[name] = {
       components: this.loader.loadedComponents(),
       modules: this.loader.loadedModules(),
       services: Object.keys(Cc).filter(c => {
@@ -63,8 +57,6 @@ startupRecorder.prototype = {
       let topics = [
         "profile-do-change", // This catches stuff loaded during app-startup
         "toplevel-window-ready", // Catches stuff from final-ui-startup
-        "image-loading",
-        "image-drawing",
         firstPaintNotification,
         "sessionstore-windows-restored",
       ];
@@ -73,16 +65,9 @@ startupRecorder.prototype = {
       return;
     }
 
-    if (topic == "image-drawing" || topic == "image-loading") {
-      this.data.images[topic].add(data);
-      return;
-    }
-
     Services.obs.removeObserver(this, topic);
 
     if (topic == "sessionstore-windows-restored") {
-      Services.obs.removeObserver(this, "image-drawing");
-      Services.obs.removeObserver(this, "image-loading");
       // We use idleDispatchToMainThread here to record the set of
       // loaded scripts after we are fully done with startup and ready
       // to react to user events.

image/ImageFactory.cpp

@@ -92,18 +92,6 @@ ImageFactory::CreateImage(nsIRequest* aRequest,
   // Compute the image's initialization flags.
   uint32_t imageFlags = ComputeImageFlags(aURI, aMimeType, aIsMultiPart);
 
-#ifdef DEBUG
-  // Record the image load for startup performance testing.
-  if (NS_IsMainThread()) {
-    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
-    if (NS_WARN_IF(obs)) {
-      nsAutoCString spec;
-      aURI->GetSpec(spec);
-      obs->NotifyObservers(nullptr, "image-loading", NS_ConvertUTF8toUTF16(spec).get());
-    }
-  }
-#endif
-
   // Select the type of image to create based on MIME type.
   if (aMimeType.EqualsLiteral(IMAGE_SVG_XML)) {
     return CreateVectorImage(aRequest, aProgressTracker, aMimeType,

image/RasterImage.cpp

@@ -1395,19 +1395,6 @@ RasterImage::DrawInternal(DrawableSurface&& aSurface,
   ImageRegion region(aRegion);
   bool frameIsFinished = aSurface->IsFinished();
 
-#ifdef DEBUG
-  // Record the image drawing for startup performance testing.
-  if (NS_IsMainThread()) {
-    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
-    if (NS_WARN_IF(obs)) {
-      nsCOMPtr<nsIURI> imageURI = mURI->ToIURI();
-      nsAutoCString spec;
-      imageURI->GetSpec(spec);
-      obs->NotifyObservers(nullptr, "image-drawing", NS_ConvertUTF8toUTF16(spec).get());
-    }
-  }
-#endif
-
   // By now we may have a frame with the requested size. If not, we need to
   // adjust the drawing parameters accordingly.
   IntSize finalSize = aSurface->GetImageSize();

image/VectorImage.cpp

@@ -1025,19 +1025,6 @@ VectorImage::Show(gfxDrawable* aDrawable, const SVGDrawingParameters& aParams)
                              aParams.samplingFilter,
                              aParams.flags, aParams.opacity);
 
-#ifdef DEBUG
-  // Record the image drawing for startup performance testing.
-  if (NS_IsMainThread()) {
-    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
-    if (NS_WARN_IF(obs)) {
-      nsCOMPtr<nsIURI> imageURI = mURI->ToIURI();
-      nsAutoCString spec;
-      imageURI->GetSpec(spec);
-      obs->NotifyObservers(nullptr, "image-drawing", NS_ConvertUTF8toUTF16(spec).get());
-    }
-  }
-#endif
-
   MOZ_ASSERT(mRenderingObserver, "Should have a rendering observer by now");
   mRenderingObserver->ResumeHonoringInvalidations();
 }