Part 1/3 (compositor) of adding with device scale factor to transport surfaces

cc/test/pixel_test.cc

 // Copyright 2013 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/test/pixel_test.h"
 
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/gl_renderer.h"
@@ skipping 11 matching lines @@
 
 class PixelTest::PixelTestRendererClient : public RendererClient {
  public:
   explicit PixelTestRendererClient(gfx::Size device_viewport_size)
       : device_viewport_size_(device_viewport_size) {}
 
   // RendererClient implementation.
   virtual gfx::Size DeviceViewportSize() const OVERRIDE {
     return device_viewport_size_;
   }
+  virtual float DeviceScaleFactor() const OVERRIDE {
+    return 1.f;
+  }
   virtual const LayerTreeSettings& Settings() const OVERRIDE {
     return settings_;
   }
   virtual void SetFullRootLayerDamage() OVERRIDE {}
   virtual void SetManagedMemoryPolicy(
       const ManagedMemoryPolicy& policy) OVERRIDE {}
   virtual void EnforceManagedMemoryPolicy(
       const ManagedMemoryPolicy& policy) OVERRIDE {}
   virtual bool HasImplThread() const OVERRIDE { return false; }
   virtual bool ShouldClearRootRenderPass() const OVERRIDE { return true; }
@@ skipping 100 matching lines @@
   scoped_ptr<SoftwareOutputDevice> device(new SoftwareOutputDevice());
   output_surface_.reset(new OutputSurface(device.Pass()));
   resource_provider_ = ResourceProvider::Create(output_surface_.get(), 0);
   renderer_ = SoftwareRenderer::Create(
       fake_client_.get(),
       output_surface_.get(),
       resource_provider_.get()).PassAs<DirectRenderer>();
 }
 
 }  // namespace cc