cc: Redraw incomplete frames when new texture uploads finish

cc/scheduler.h

Index: cc/scheduler.h
diff --git a/cc/scheduler.h b/cc/scheduler.h
index 6d2bad92f77c1e683b0b37e34085232a74a9aad5..10309c92675ff16f572ff99ea96d0c7cd5fc6a50 100644
--- a/cc/scheduler.h
+++ b/cc/scheduler.h
@@ -39,6 +39,7 @@ public:
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapIfPossible() = 0;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() = 0;
     virtual void scheduledActionCommit() = 0;
+    virtual void scheduledActionCheckForCompletedTextures() = 0;
     virtual void scheduledActionActivatePendingTreeIfNeeded() = 0;
     virtual void scheduledActionBeginContextRecreation() = 0;
     virtual void scheduledActionAcquireLayerTexturesForMainThread() = 0;
@@ -77,6 +78,8 @@ public:
     // Like setNeedsRedraw(), but ensures the draw will definitely happen even if we are not visible.
     void setNeedsForcedRedraw();
 
+    void didSwapUseIncompleteTexture();
+
     void beginFrameComplete();
     void beginFrameAborted();