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 d41831e686409ccc89975c0baccffd6e87d07021..f7fa5ba421e7bdadb8e5a25a6bcb42ff0f47071e 100644
--- a/cc/scheduler.h
+++ b/cc/scheduler.h
@@ -47,6 +47,7 @@ public:
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapIfPossible() = 0;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() = 0;
     virtual void scheduledActionCommit() = 0;
+    virtual void scheduledActionCheckForNewTextures() = 0;
     virtual void scheduledActionActivatePendingTreeIfNeeded() = 0;
     virtual void scheduledActionBeginContextRecreation() = 0;
     virtual void scheduledActionAcquireLayerTexturesForMainThread() = 0;
@@ -79,6 +80,7 @@ public:
     void setNeedsForcedCommit();
 
     void setNeedsRedraw();
+    void setNeedsRedrawOnVisibleTextureUpload();
 
     void setMainThreadNeedsLayerTextures();