Backed out changesets f6de43db6fcf, 47755f2acbc4, and aa6ed82c6aa4 (bug 1075644) for being the likely cause of bug 1085627 (and other webaudio timeouts with that test disabled).

mobile/android/base/GeckoApp.java

@@ -1190,6 +1190,8 @@ public abstract class GeckoApp
             Class.forName("android.os.AsyncTask");
         } catch (ClassNotFoundException e) {}
 
+        MemoryMonitor.getInstance().init(getApplicationContext());
+
         // GeckoAppShell is tightly coupled to us, rather than
         // the app context, because various parts of Fennec (e.g.,
         // GeckoScreenOrientation) use GAS to access the Activity in
@@ -1199,6 +1201,13 @@ public abstract class GeckoApp
         GeckoAppShell.setContextGetter(this);
         GeckoAppShell.setGeckoInterface(this);
 
+        Tabs.getInstance().attachToContext(this);
+        try {
+            Favicons.initializeWithContext(this);
+        } catch (Exception e) {
+            Log.e(LOGTAG, "Exception starting favicon cache. Corrupt resources?", e);
+        }
+
         // Did the OS locale change while we were backgrounded? If so,
         // we need to die so that Gecko will re-init add-ons that touch
         // the UI.
@@ -1245,20 +1254,6 @@ public abstract class GeckoApp
             }, 1000 * 5 /* 5 seconds */);
         }
 
-        // Heavy load on the Gecko thread can slow down the time it takes for UI to appear on
-        // single-core devices. By minimizing the Gecko thread priority, we ensure that the UI
-        // appears quickly. The priority is reset to normal once thumbnails are loaded.
-        ThreadUtils.reduceGeckoPriority();
-
-        MemoryMonitor.getInstance().init(getApplicationContext());
-
-        Tabs.getInstance().attachToContext(this);
-        try {
-            Favicons.initializeWithContext(this);
-        } catch (Exception e) {
-            Log.e(LOGTAG, "Exception starting favicon cache. Corrupt resources?", e);
-        }
-
         Bundle stateBundle = getIntent().getBundleExtra(EXTRA_STATE_BUNDLE);
         if (stateBundle != null) {
             // Use the state bundle if it was given as an intent extra. This is
@@ -1635,10 +1630,6 @@ public abstract class GeckoApp
         } else if (NotificationHelper.HELPER_BROADCAST_ACTION.equals(action)) {
             NotificationHelper.getInstance(getApplicationContext()).handleNotificationIntent(intent);
         }
-
-        // Reset Gecko to normal priority. We may reduce the
-        // priority again later, e.g. for loading thumbnails.
-        ThreadUtils.resetGeckoPriority();
     }
 
     private String restoreSessionTabs(final boolean isExternalURL) throws SessionRestoreException {

mobile/android/base/GeckoThread.java

@@ -51,7 +51,6 @@ public class GeckoThread extends Thread implements GeckoEventListener {
         if (isCreated())
             return false;
         sGeckoThread = new GeckoThread(sArgs, sAction, sUri);
-        ThreadUtils.sGeckoThread = sGeckoThread;
         return true;
     }
 
@@ -165,6 +164,7 @@ public class GeckoThread extends Thread implements GeckoEventListener {
     @Override
     public void run() {
         Looper.prepare();
+        ThreadUtils.sGeckoThread = this;
         ThreadUtils.sGeckoHandler = new Handler();
         ThreadUtils.sGeckoQueue = Looper.myQueue();
 

mobile/android/base/home/TopSitesPanel.java

@@ -98,6 +98,9 @@ public class TopSitesPanel extends HomeFragment {
     // Max number of entries shown in the grid from the cursor.
     private int mMaxGridEntries;
 
+    // Time in ms until the Gecko thread is reset to normal priority.
+    private static final long PRIORITY_RESET_TIMEOUT = 10000;
+
     public static TopSitesPanel newInstance() {
         return new TopSitesPanel();
     }
@@ -344,7 +347,7 @@ public class TopSitesPanel extends HomeFragment {
         // appear, especially during startup (bug 897162). By minimizing the
         // Gecko thread priority, we ensure that the UI appears quickly. The
         // priority is reset to normal once thumbnails are loaded.
-        ThreadUtils.reduceGeckoPriority();
+        ThreadUtils.reduceGeckoPriority(PRIORITY_RESET_TIMEOUT);
     }
 
     /**

mobile/android/base/tests/testLinkContextMenu.java

@@ -14,8 +14,8 @@ public class testLinkContextMenu extends ContentContextMenuTest {
 
         LINK_PAGE_URL=getAbsoluteUrl(StringHelper.ROBOCOP_BIG_LINK_URL);
         BLANK_PAGE_URL=getAbsoluteUrl(StringHelper.ROBOCOP_BLANK_PAGE_01_URL);
-        loadAndPaint(LINK_PAGE_URL);
-        verifyPageTitle(LINK_PAGE_TITLE, LINK_PAGE_URL);
+        inputAndLoadUrl(LINK_PAGE_URL);
+        waitForText(LINK_PAGE_TITLE);
 
         verifyContextMenuItems(linkMenuItems); // Verify context menu items are correct
         openTabFromContextMenu(linkMenuItems[0],2); // Test the "Open in New Tab" option - expecting 2 tabs: the original and the new one

mobile/android/base/tests/testMailToContextMenu.java

@@ -12,8 +12,8 @@ public class testMailToContextMenu extends ContentContextMenuTest {
         blockForGeckoReady();
 
         MAILTO_PAGE_URL=getAbsoluteUrl(StringHelper.ROBOCOP_BIG_MAILTO_URL);
-        loadAndPaint(MAILTO_PAGE_URL);
-        verifyPageTitle(MAILTO_PAGE_TITLE, MAILTO_PAGE_URL);
+        inputAndLoadUrl(MAILTO_PAGE_URL);
+        waitForText(MAILTO_PAGE_TITLE);
 
         verifyContextMenuItems(mailtoMenuItems);
         verifyCopyOption(mailtoMenuItems[0], "foo.bar@example.com"); // Test the "Copy Email Address" option

mobile/android/base/util/ThreadUtils.java

@@ -17,9 +17,6 @@ import android.util.Log;
 public final class ThreadUtils {
     private static final String LOGTAG = "ThreadUtils";
 
-    // Time in ms until the Gecko thread is reset to normal priority.
-    private static final long PRIORITY_RESET_TIMEOUT = 10000;
-
     /**
      * Controls the action taken when a method like
      * {@link ThreadUtils#assertOnUiThread(AssertBehavior)} detects a problem.
@@ -212,8 +209,10 @@ public final class ThreadUtils {
      *
      * Note that there are no guards in place to prevent multiple calls
      * to this method from conflicting with each other.
+     *
+     * @param timeout Timeout in ms after which the priority will be reset
      */
-    public static void reduceGeckoPriority() {
+    public static void reduceGeckoPriority(long timeout) {
         if (Runtime.getRuntime().availableProcessors() > 1) {
             // Don't reduce priority for multicore devices. We use availableProcessors()
             // for its fast performance. It may give false negatives (i.e. multicore
@@ -223,7 +222,7 @@ public final class ThreadUtils {
         if (!sIsGeckoPriorityReduced && sGeckoThread != null) {
             sIsGeckoPriorityReduced = true;
             sGeckoThread.setPriority(Thread.MIN_PRIORITY);
-            getUiHandler().postDelayed(sPriorityResetRunnable, PRIORITY_RESET_TIMEOUT);
+            getUiHandler().postDelayed(sPriorityResetRunnable, timeout);
         }
     }