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

cc/output/direct_renderer.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/output/direct_renderer.h"
 
 #include <vector>
 
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
@@ skipping 171 matching lines @@
                        render_passes_in_draw_order.size());
 
   const RenderPass* root_render_pass = render_passes_in_draw_order.back();
   DCHECK(root_render_pass);
 
   DrawingFrame frame;
   frame.root_render_pass = root_render_pass;
   frame.root_damage_rect =
       Capabilities().using_partial_swap ?
       root_render_pass->damage_rect : root_render_pass->output_rect;
-  frame.root_damage_rect.Intersect(gfx::Rect(gfx::Point(), ViewportSize()));
+  frame.root_damage_rect.Intersect(gfx::Rect(ViewportSize()));
 
   BeginDrawingFrame(frame);
   for (size_t i = 0; i < render_passes_in_draw_order.size(); ++i)
     DrawRenderPass(frame, render_passes_in_draw_order[i]);
   FinishDrawingFrame(frame);
 
   render_passes_in_draw_order.clear();
 }
 
 gfx::RectF DirectRenderer::ComputeScissorRectForRenderPass(
@@ skipping 133 matching lines @@
 gfx::Size DirectRenderer::RenderPassTextureSize(const RenderPass* render_pass) {
   return render_pass->output_rect.size();
 }
 
 // static
 GLenum DirectRenderer::RenderPassTextureFormat(const RenderPass* render_pass) {
   return GL_RGBA;
 }
 
 }  // namespace cc