Explicitly specify the ui::Compositor to DelegatedFrameHost

ui/aura/bench/bench_main.cc

 // Copyright (c) 2012 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.
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #endif
 
 #include "base/at_exit.h"
 #include "base/bind.h"
@@ skipping 76 matching lines @@
 const int kFrames = 100;
 
 // Benchmark base class, hooks up drawing callback and displaying FPS.
 class BenchCompositorObserver : public ui::CompositorObserver {
  public:
   explicit BenchCompositorObserver(int max_frames)
       : start_time_(),
         frames_(0),
         max_frames_(max_frames) {
   }
+  virtual ~BenchCompositorObserver() {}
 
   void OnCompositingDidCommit(ui::Compositor* compositor) override {}
 
   void OnCompositingStarted(Compositor* compositor,
                             base::TimeTicks start_time) override {}
 
   void OnCompositingEnded(Compositor* compositor) override {
     if (start_time_.is_null()) {
       start_time_ = TimeTicks::Now();
     } else {
       ++frames_;
       if (frames_ % kFrames == 0) {
         TimeTicks now = TimeTicks::Now();
         double ms = (now - start_time_).InMillisecondsF() / kFrames;
         LOG(INFO) << "FPS: " << 1000.f / ms << " (" << ms << " ms)";
         start_time_ = now;
       }
     }
     if (max_frames_ && frames_ == max_frames_) {
       base::MessageLoop::current()->Quit();
     } else {
       Draw();
     }
   }
 
   void OnCompositingAborted(Compositor* compositor) override {}
 
   void OnCompositingLockStateChanged(Compositor* compositor) override {}
 
+  void OnCompositingShuttingDown(ui::Compositor* compositor) override {}
+
   virtual void Draw() {}
 
   int frames() const { return frames_; }
 
  private:
   TimeTicks start_time_;
   int frames_;
   int max_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(BenchCompositorObserver);
@@ skipping 223 matching lines @@
   ui::PrintLayerHierarchy(host->window()->layer(), gfx::Point(100, 100));
 #endif
 
   host->Show();
   base::MessageLoopForUI::current()->Run();
   focus_client.reset();
   host.reset();
 
   return 0;
 }