Bug 527986: new tabs open with partial thumbnail of old tab [r=gavin.sharp]

mobile/chrome/content/browser.js

@@ -2334,12 +2334,11 @@ ProgressController.prototype = {
     }
 
     // if we are idle at this point, be sure to kick start the prefetcher
-    if (Browser._browserView._idleServiceObserver.isIdle()) {
-	//dump("kicking off restartPrefetchCrawl\n");
-	Browser._browserView._tileManager.restartPrefetchCrawl();
-    }
-
-    this._tab.updateThumbnail();
+    if (Browser._browserView._idleServiceObserver.isIdle())
+      Browser._browserView._tileManager.restartPrefetchCrawl();
+    
+    if (this.browser.currentURI.spec != "about:blank")
+      this._tab.updateThumbnail();
   },
 
   _documentStop: function() {
@@ -2514,9 +2513,6 @@ Tab.prototype = {
   },
 
   startLoading: function() {
-    //if (this._loading)
-    //  dump("!!! Already loading this tab, please file a bug\n");
-
     this._loading = true;
     this._browserViewportState.zoomChanged = false;
 

mobile/themes/hildon/browser.css

@@ -700,7 +700,8 @@ box[type="documenttab"] {
 
 box[type="documenttab"] .documenttab-canvas {
   /* keep the unselected thumbnails aligned with the selected one */
-  border: 0.8mm solid transparent;
+  border: 0.8mm solid #36373b;
+  background-color: white;
 }
 
 box[type="documenttab"][selected="true"] .documenttab-canvas {

mobile/themes/wince/browser.css

@@ -445,11 +445,12 @@ autocompleteresult.allbookmarks > .autocomplete-item-url {
 
 box[type="documenttab"] .documenttab-canvas {
   /* keep the unselected thumbnails aligned with the selected one */
-  border: 1.0mm solid transparent;
+  border: 0.8mm solid #36373b;
+  background-color: white;
 }
 
 box[type="documenttab"][selected="true"] .documenttab-canvas {
-  border: 1.0mm solid #262629;
+  border: 0.8mm solid #262629;
   -moz-border-radius: 4px;
 }