Fix crash in Canvas2DLayerBridge flushing + reliability metrics

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h

Index: third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
diff --git a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
index 540ee0e3a22d0fd3f5163626faa11dc4f7ccf732..dc25f1d5a5fb941106f5d78484d026144aeb0142 100644
--- a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
+++ b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
@@ -111,8 +111,9 @@ public:
         HibernationEndedWithSwitchToBackgroundRendering = 8,
         HibernationEndedWithFallbackToSW = 9,
         HibernationEndedWithTeardown = 10,
+        HibernationAbortedBecauseNoSurface = 11,
 
-        HibernationEventCount = 11,
+        HibernationEventCount = 12,
     };
 
     class PLATFORM_EXPORT Logger {
@@ -131,6 +132,7 @@ private:
     void skipQueuedDrawCommands();
     void flushRecordingOnly();
     void unregisterTaskObserver();
+    void reportSurfaceCreationFailure();
 
     // WebThread::TaskOberver implementation
     void willProcessTask() override;
@@ -159,6 +161,7 @@ private:
     bool m_isRegisteredTaskObserver;
     bool m_renderingTaskCompletedForCurrentFrame;
     bool m_softwareRenderingWhileHidden;
+    bool m_surfaceCreationFailedAtLeastOnce = false;
 
     friend class Canvas2DLayerBridgeTest;