Estimate draw duration in SchedulerClient

cc/scheduler/scheduler_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/scheduler/scheduler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 91 matching lines @@
   }
   virtual void ScheduledActionBeginOutputSurfaceCreation() OVERRIDE {
     actions_.push_back("ScheduledActionBeginOutputSurfaceCreation");
     states_.push_back(scheduler_->StateAsStringForTesting());
   }
   virtual void ScheduledActionAcquireLayerTexturesForMainThread() OVERRIDE {
     actions_.push_back("ScheduledActionAcquireLayerTexturesForMainThread");
     states_.push_back(scheduler_->StateAsStringForTesting());
   }
   virtual void DidAnticipatedDrawTimeChange(base::TimeTicks) OVERRIDE {}
+  virtual base::TimeDelta DrawDurationEstimate() OVERRIDE {
+    return base::TimeDelta();
+  }
 
  protected:
   bool draw_will_happen_;
   bool swap_will_happen_if_draw_happens_;
   int num_draws_;
   std::vector<const char*> actions_;
   std::vector<std::string> states_;
   scoped_ptr<Scheduler> scheduler_;
 };
 
@@ skipping 518 matching lines @@
   scheduler->DidLoseOutputSurface();
   // Verifying that it's 1 so that we know that it's reset on recreate.
   EXPECT_EQ(1, controller_ptr->NumFramesPending());
 
   scheduler->DidCreateAndInitializeOutputSurface();
   EXPECT_EQ(0, controller_ptr->NumFramesPending());
 }
 
 }  // namespace
 }  // namespace cc