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

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 2647 matching lines @@
         frame.render_passes[0]->quad_list, gfx::Rect(viewport_size));
     host_impl_->DidDrawAllLayers(frame);
   }
 }
 
 
 class ReshapeTrackerContext: public TestWebGraphicsContext3D {
  public:
   ReshapeTrackerContext() : reshape_called_(false) {}
 
-  virtual void reshape(int width, int height) OVERRIDE {
+  virtual void reshapeWithScaleFactor(
+      int width, int height, float scale_factor) OVERRIDE {
     reshape_called_ = true;
   }
 
   bool reshape_called() const { return reshape_called_; }
 
  private:
   bool reshape_called_;
 };
 
 class FakeDrawableLayerImpl: public LayerImpl {
@@ skipping 1821 matching lines @@
 
   virtual bool HaveCachedResourcesForRenderPassId(RenderPass::Id id) const
       OVERRIDE {
     return textures_.count(id);
   }
 
   // RendererClient implementation.
   virtual gfx::Size DeviceViewportSize() const OVERRIDE {
     return 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 1175 matching lines @@
   EXPECT_EQ(0, software_device->frames_ended_);
 
   DrawFrame();
 
   EXPECT_EQ(1, software_device->frames_began_);
   EXPECT_EQ(1, software_device->frames_ended_);
 }
 
 }  // namespace
 }  // namespace cc