cc: Avoid pointless gfx::Point/Size contructors when making Rects.

cc/output/gl_renderer.cc

 // Copyright 2010 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/output/gl_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 1638 matching lines @@
 bool GLRenderer::SwapBuffers() {
   DCHECK(visible_);
   DCHECK(!is_backbuffer_discarded_);
 
   TRACE_EVENT0("cc", "GLRenderer::SwapBuffers");
   // We're done! Time to swapbuffers!
 
   if (capabilities_.using_partial_swap) {
     // If supported, we can save significant bandwidth by only swapping the
     // damaged/scissored region (clamped to the viewport)
-    swap_buffer_rect_.Intersect(gfx::Rect(gfx::Point(), ViewportSize()));
+    swap_buffer_rect_.Intersect(gfx::Rect(ViewportSize()));
     int flipped_y_pos_of_rect_bottom =
         ViewportHeight() - swap_buffer_rect_.y() - swap_buffer_rect_.height();
     output_surface_->PostSubBuffer(gfx::Rect(swap_buffer_rect_.x(),
                                              flipped_y_pos_of_rect_bottom,
                                              swap_buffer_rect_.width(),
                                              swap_buffer_rect_.height()));
   } else {
     output_surface_->SwapBuffers();
   }
 
@@ skipping 559 matching lines @@
     GLC(context_, context_->deleteFramebuffer(offscreen_framebuffer_id_));
 
   ReleaseRenderPassTextures();
 }
 
 bool GLRenderer::IsContextLost() {
   return (context_->getGraphicsResetStatusARB() != GL_NO_ERROR);
 }
 
 }  // namespace cc