[#7] Pass gfx structs by const ref (gfx::Size)

content/browser/android/in_process/synchronous_compositor_output_surface.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 "content/browser/android/in_process/synchronous_compositor_output_surface.h"
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 57 matching lines @@
 } // namespace
 
 class SynchronousCompositorOutputSurface::SoftwareDevice
   : public cc::SoftwareOutputDevice {
  public:
   SoftwareDevice(SynchronousCompositorOutputSurface* surface)
     : surface_(surface),
       null_device_(SkBitmap::kARGB_8888_Config, 1, 1),
       null_canvas_(&null_device_) {
   }
-  virtual void Resize(gfx::Size size) OVERRIDE {
+  virtual void Resize(const gfx::Size& size) OVERRIDE {
     // Intentional no-op: canvas size is controlled by the embedder.
   }
   virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) OVERRIDE {
     if (!surface_->current_sw_canvas_) {
       NOTREACHED() << "BeginPaint with no canvas set";
       return &null_canvas_;
     }
     LOG_IF(WARNING, surface_->did_swap_buffer_)
         << "Mutliple calls to BeginPaint per frame";
     return surface_->current_sw_canvas_;
@@ skipping 60 matching lines @@
   output_surface_client_->SetMemoryPolicy(memory_policy_);
 
   SynchronousCompositorOutputSurfaceDelegate* delegate = GetDelegate();
   if (delegate)
     delegate->DidBindOutputSurface(this);
 
   return true;
 }
 
 void SynchronousCompositorOutputSurface::Reshape(
-    gfx::Size size, float scale_factor) {
+    const gfx::Size& size, float scale_factor) {
   // Intentional no-op: surface size is controlled by the embedder.
 }
 
 void SynchronousCompositorOutputSurface::SetNeedsBeginImplFrame(
     bool enable) {
   DCHECK(CalledOnValidThread());
   cc::OutputSurface::SetNeedsBeginImplFrame(enable);
   needs_begin_impl_frame_ = enable;
   SynchronousCompositorOutputSurfaceDelegate* delegate = GetDelegate();
   if (delegate)
@@ skipping 137 matching lines @@
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return BrowserThread::CurrentlyOn(BrowserThread::UI);
 }
 
 SynchronousCompositorOutputSurfaceDelegate*
 SynchronousCompositorOutputSurface::GetDelegate() {
   return SynchronousCompositorImpl::FromRoutingID(routing_id_);
 }
 
 }  // namespace content