cc: ReadyToDraw notifications.

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 111 matching lines @@
   void SetMaxSwapsPendingOnImplThread(int max) override {}
   void DidSwapBuffersOnImplThread() override {}
   void DidSwapBuffersCompleteOnImplThread() override {}
   void OnCanDrawStateChanged(bool can_draw) override {
     on_can_draw_state_changed_called_ = true;
   }
   void NotifyReadyToActivate() override {
     did_notify_ready_to_activate_ = true;
     host_impl_->ActivateSyncTree();
   }
+  void NotifyReadyToDraw() override {}
   void SetNeedsRedrawOnImplThread() override { did_request_redraw_ = true; }
   void SetNeedsRedrawRectOnImplThread(const gfx::Rect& damage_rect) override {
     did_request_redraw_ = true;
   }
   void SetNeedsAnimateOnImplThread() override { did_request_animate_ = true; }
   void SetNeedsManageTilesOnImplThread() override {
     did_request_manage_tiles_ = true;
   }
   void DidInitializeVisibleTileOnImplThread() override {
     did_upload_visible_tile_ = true;
@@ skipping 7492 matching lines @@
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_LE(1, num_lost_surfaces_);
 }
 
 }  // namespace
 }  // namespace cc