Send a message through the ozone channel to recreate buffers

content/browser/compositor/software_output_device_ozone_unittest.cc

 // Copyright 2014 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 "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/output/software_frame_data.h"
 #include "content/browser/compositor/software_output_device_ozone.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkDevice.h"
@@ skipping 23 matching lines @@
   void OnDamageRect(const gfx::Rect& damaged_region) override {}
   void DispatchEvent(ui::Event* event) override {}
   void OnCloseRequest() override {}
   void OnClosed() override {}
   void OnWindowStateChanged(ui::PlatformWindowState new_state) override {}
   void OnLostCapture() override {}
   void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) override {
     widget_ = widget;
   }
   void OnActivationChanged(bool active) override {}
+  void OnChangedSurface() override {}
 
  private:
   gfx::AcceleratedWidget widget_;
 
   DISALLOW_COPY_AND_ASSIGN(TestPlatformWindowDelegate);
 };
 
 }  // namespace
 
 class SoftwareOutputDeviceOzoneTest : public testing::Test {
@@ skipping 113 matching lines @@
   const SkPMColor black = SkPreMultiplyColor(SK_ColorBLACK);
   for (int i = 0; i < area.height(); ++i) {
     for (int j = 0; j < area.width(); ++j) {
       if (j < damage.width() && i < damage.height())
         EXPECT_EQ(white, pixels[i * area.width() + j]);
       else
         EXPECT_EQ(black, pixels[i * area.width() + j]);
     }
   }
 }