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 f6d05546a11287875e2695132681f18c334e933f..7ae68865c847f53c48dc48e739dcab65288991e8 100644
--- a/cc/scheduler.h
+++ b/cc/scheduler.h
@@ -38,6 +38,7 @@ public:
     virtual void scheduledActionBeginFrame() = 0;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapIfPossible() = 0;
     virtual ScheduledActionDrawAndSwapResult scheduledActionDrawAndSwapForced() = 0;
+    virtual void scheduledActionCheckForNewVisibleTextures() = 0;
     virtual void scheduledActionCommit() = 0;
     virtual void scheduledActionActivatePendingTreeIfNeeded() = 0;
     virtual void scheduledActionBeginContextRecreation() = 0;
@@ -71,6 +72,7 @@ public:
     void setNeedsForcedCommit();
 
     void setNeedsRedraw();
+    void setNeedsRedrawOnVisibleTextureUpload();
 
     void setMainThreadNeedsLayerTextures();