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

cc/quads/content_draw_quad_base.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/quads/content_draw_quad_base.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "cc/base/math_util.h"
 
 namespace cc {
 
 ContentDrawQuadBase::ContentDrawQuadBase()
     : swizzle_contents(false) {
 }
 
 ContentDrawQuadBase::~ContentDrawQuadBase() {
 }
 
 void ContentDrawQuadBase::SetNew(const SharedQuadState* shared_quad_state,
                                  DrawQuad::Material material,
                                  const gfx::Rect& rect,
                                  const gfx::Rect& opaque_rect,
                                  const gfx::RectF& tex_coord_rect,
-                                 gfx::Size texture_size,
+                                 const gfx::Size& texture_size,
                                  bool swizzle_contents) {
   gfx::Rect visible_rect = rect;
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
                    visible_rect, needs_blending);
   this->tex_coord_rect = tex_coord_rect;
   this->texture_size = texture_size;
   this->swizzle_contents = swizzle_contents;
 }
 
 void ContentDrawQuadBase::SetAll(const SharedQuadState* shared_quad_state,
                                  DrawQuad::Material material,
                                  const gfx::Rect& rect,
                                  const gfx::Rect& opaque_rect,
                                  const gfx::Rect& visible_rect,
                                  bool needs_blending,
                                  const gfx::RectF& tex_coord_rect,
-                                 gfx::Size texture_size,
+                                 const gfx::Size& texture_size,
                                  bool swizzle_contents) {
   DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
                    visible_rect, needs_blending);
   this->tex_coord_rect = tex_coord_rect;
   this->texture_size = texture_size;
   this->swizzle_contents = swizzle_contents;
 }
 
 void ContentDrawQuadBase::ExtendValue(base::DictionaryValue* value) const {
   value->Set("tex_coord_rect", MathUtil::AsValue(tex_coord_rect).release());
   value->Set("texture_size", MathUtil::AsValue(texture_size).release());
   value->SetBoolean("swizzle_contents", swizzle_contents);
 }
 
 }  // namespace cc