Crash fix for window closed during Aura window capture.

content/browser/media/capture/aura_window_capture_machine.cc

Index: content/browser/media/capture/aura_window_capture_machine.cc
diff --git a/content/browser/media/capture/aura_window_capture_machine.cc b/content/browser/media/capture/aura_window_capture_machine.cc
index 1da55061fd7a4986517f01f27f4619f3e788dcb1..f4db9601edae6af546c612719920902abe57f37a 100644
--- a/content/browser/media/capture/aura_window_capture_machine.cc
+++ b/content/browser/media/capture/aura_window_capture_machine.cc
@@ -456,12 +456,12 @@ void AuraWindowCaptureMachine::OnWindowBoundsChanged(
       &AuraWindowCaptureMachine::UpdateCaptureSize, AsWeakPtr()));
 }
 
-void AuraWindowCaptureMachine::OnWindowDestroyed(aura::Window* window) {
+void AuraWindowCaptureMachine::OnWindowDestroying(aura::Window* window) {

[miu, 2015/09/03 20:46:44]

Note: I changed this from OnWindowDestroyed() to OnWindowDestroying() so that we
stop at the very beginning of the aura::Window destructor.  This may or may not
make a difference, but is safer because InternalStop() is making calls on the
Window's associated WindowTreeHost.

   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  Stop(base::Bind(&base::DoNothing));
+  InternalStop(base::Bind(&base::DoNothing));
 
-  oracle_proxy_->ReportError("OnWindowDestroyed()");
+  oracle_proxy_->ReportError("OnWindowDestroying()");
 }
 
 void AuraWindowCaptureMachine::OnWindowAddedToRootWindow(