cc: Redraw incomplete frames when new texture uploads finish

cc/thread_proxy.h

Index: cc/thread_proxy.h
diff --git a/cc/thread_proxy.h b/cc/thread_proxy.h
index 283761df04c4213fd3e03da72303c64f975a8862..c1645398f0724e61813819c7385663aac62b849b 100644
--- a/cc/thread_proxy.h
+++ b/cc/thread_proxy.h
@@ -63,17 +63,21 @@ public:
     virtual void onCanDrawStateChanged(bool canDraw) OVERRIDE;
     virtual void onHasPendingTreeStateChanged(bool hasPendingTree) OVERRIDE;
     virtual void setNeedsRedrawOnImplThread() OVERRIDE;
+    virtual void didSwapUseIncompleteTextureOnImplThread() OVERRIDE;
+    virtual void didUploadVisibleHighResolutionTileOnImplTread() OVERRIDE;
     virtual void setNeedsCommitOnImplThread() OVERRIDE;
     virtual void setNeedsManageTilesOnImplThread() OVERRIDE;
     virtual void postAnimationEventsToMainThreadOnImplThread(scoped_ptr<AnimationEventsVector>, base::Time wallClockTime) OVERRIDE;
     virtual bool reduceContentsTextureMemoryOnImplThread(size_t limitBytes, int priorityCutoff) OVERRIDE;
     virtual void sendManagedMemoryStats() OVERRIDE;
+    virtual bool isInsideDraw() OVERRIDE;
 
     // SchedulerClient implementation
     virtual void scheduledActionBeginFrame() OVERRIDE;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapIfPossible() OVERRIDE;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() OVERRIDE;
     virtual void scheduledActionCommit() OVERRIDE;
+    virtual void scheduledActionCheckForCompletedTextures() OVERRIDE;
     virtual void scheduledActionActivatePendingTreeIfNeeded() OVERRIDE;
     virtual void scheduledActionBeginContextRecreation() OVERRIDE;
     virtual void scheduledActionAcquireLayerTexturesForMainThread() OVERRIDE;
@@ -191,6 +195,8 @@ private:
 
     bool m_renderVSyncEnabled;
 
+    bool m_insideDraw;
+
     base::TimeDelta m_totalCommitTime;
     size_t m_totalCommitCount;