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

cc/scheduler/texture_uploader_unittest.cc

 // Copyright 2012 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/scheduler/texture_uploader.h"
 
 #include "cc/base/util.h"
 #include "cc/resources/prioritized_resource.h"
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 127 matching lines @@
 
  private:
   unsigned result_available_;
   unsigned unpack_alignment_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureUploadTestContext);
 };
 
 void UploadTexture(TextureUploader* uploader,
                    ResourceFormat format,
-                   gfx::Size size,
+                   const gfx::Size& size,
                    const uint8* data) {
   uploader->Upload(data,
                    gfx::Rect(size),
                    gfx::Rect(size),
                    gfx::Vector2d(),
                    format,
                    size);
 }
 
 TEST(TextureUploaderTest, NumBlockingUploads) {
@@ skipping 67 matching lines @@
   for (int i = 0; i < 86; ++i) {
     // Mark the beginning and end of each row, for the test.
     buffer[i * 1 * 82] = 0x1;
     buffer[(i + 1) * 82 - 1] = 0x2;
   }
   UploadTexture(uploader.get(), LUMINANCE_8, gfx::Size(82, 86), buffer);
 }
 
 }  // namespace
 }  // namespace cc