cc: Hook vsync time source to output surface

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 <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 73 matching lines @@
     host_impl_->InitializeRenderer(CreateOutputSurface());
     host_impl_->SetViewportSize(gfx::Size(10, 10), gfx::Size(10, 10));
   }
 
   virtual void TearDown() OVERRIDE {}
 
   virtual void DidLoseOutputSurfaceOnImplThread() OVERRIDE {}
   virtual void OnSwapBuffersCompleteOnImplThread() OVERRIDE {}
   virtual void OnVSyncParametersChanged(base::TimeTicks timebase,
                                         base::TimeDelta interval) OVERRIDE {}
+  virtual void DidVSync(base::TimeTicks frame_time) OVERRIDE {}
   virtual void OnCanDrawStateChanged(bool can_draw) OVERRIDE {
     on_can_draw_state_changed_called_ = true;
   }
   virtual void OnHasPendingTreeStateChanged(bool has_pending_tree) OVERRIDE {
     has_pending_tree_ = has_pending_tree;
   }
   virtual void SetNeedsRedrawOnImplThread() OVERRIDE {
     did_request_redraw_ = true;
   }
   virtual void DidInitializeVisibleTileOnImplThread() OVERRIDE {
@@ skipping 4852 matching lines @@
     EXPECT_EQ(gfx::RectF(0.f, 0.f, 1.f, 1.f).ToString(),
               render_pass_quad->mask_uv_rect.ToString());
 
     host_impl_->DrawLayers(&frame, base::TimeTicks::Now());
     host_impl_->DidDrawAllLayers(frame);
   }
 }
 
 }  // namespace
 }  // namespace cc