Bug 1372405 - Provide names for all runnables in the tree (r=froydnj)

MozReview-Commit-ID: DKR6ROiHRS7

layout/base/PresShell.cpp

@@ -542,7 +542,10 @@ class nsBeforeFirstPaintDispatcher : public Runnable
 {
 public:
   explicit nsBeforeFirstPaintDispatcher(nsIDocument* aDocument)
-  : mDocument(aDocument) {}
+    : mozilla::Runnable("nsBeforeFirstPaintDispatcher")
+    , mDocument(aDocument)
+  {
+  }
 
   // Fires the "before-first-paint" event so that interested parties (right now, the
   // mobile browser) are aware of it.
@@ -2019,8 +2022,8 @@ PresShell::ResizeReflowIgnoreOverride(nscoord aWidth, nscoord aHeight, nscoord a
                                                           "AsyncResizeEventCallback");
       }
     } else {
-      RefPtr<nsRunnableMethod<PresShell>> event =
-        NewRunnableMethod(this, &PresShell::FireResizeEvent);
+      RefPtr<nsRunnableMethod<PresShell>> event = NewRunnableMethod(
+        "PresShell::FireResizeEvent", this, &PresShell::FireResizeEvent);
       nsresult rv = mDocument->Dispatch("PresShell::FireResizeEvent",
                                         TaskCategory::Other,
                                         do_AddRef(event));
@@ -6197,7 +6200,9 @@ PresShell::ScheduleApproximateFrameVisibilityUpdateNow()
   }
 
   RefPtr<nsRunnableMethod<PresShell>> event =
-    NewRunnableMethod(this, &PresShell::UpdateApproximateFrameVisibility);
+    NewRunnableMethod("PresShell::UpdateApproximateFrameVisibility",
+                      this,
+                      &PresShell::UpdateApproximateFrameVisibility);
   nsresult rv =
     mDocument->Dispatch("PresShell::UpdateApproximateFrameVisibility",
                         TaskCategory::Other,