cc: Remove the opaque rect return-parameter from ContentLayerClient.

cc/layers/content_layer.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/layers/content_layer.h"
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/resources/bitmap_content_layer_updater.h"
 #include "cc/resources/bitmap_skpicture_content_layer_updater.h"
 #include "cc/resources/layer_painter.h"
 #include "cc/trees/layer_tree_host.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 
 namespace cc {
 
 ContentLayerPainter::ContentLayerPainter(ContentLayerClient* client)
     : client_(client) {}
 
 scoped_ptr<ContentLayerPainter> ContentLayerPainter::Create(
     ContentLayerClient* client) {
   return make_scoped_ptr(new ContentLayerPainter(client));
 }
 
 void ContentLayerPainter::Paint(SkCanvas* canvas,
-                                const gfx::Rect& content_rect,
-                                gfx::RectF* opaque) {
+                                const gfx::Rect& content_rect) {
   client_->PaintContents(canvas,
                          content_rect,
-                         opaque,
                          ContentLayerClient::GRAPHICS_CONTEXT_ENABLED);
 }
 
 scoped_refptr<ContentLayer> ContentLayer::Create(ContentLayerClient* client) {
   return make_scoped_refptr(new ContentLayer(client));
 }
 
 ContentLayer::ContentLayer(ContentLayerClient* client)
     : TiledLayer(),
       client_(client),
@@ skipping 97 matching lines @@
 bool ContentLayer::SupportsLCDText() const {
   return true;
 }
 
 skia::RefPtr<SkPicture> ContentLayer::GetPicture() const {
   if (!DrawsContent())
     return skia::RefPtr<SkPicture>();
 
   int width = bounds().width();
   int height = bounds().height();
-  gfx::RectF opaque;
 
   SkPictureRecorder recorder;
   SkCanvas* canvas = recorder.beginRecording(width, height, NULL, 0);
   client_->PaintContents(canvas,
                          gfx::Rect(width, height),
-                         &opaque,
                          ContentLayerClient::GRAPHICS_CONTEXT_ENABLED);
   skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
   return picture;
 }
 
 void ContentLayer::OnOutputSurfaceCreated() {
   SetTextureFormat(
       layer_tree_host()->GetRendererCapabilities().best_texture_format);
   TiledLayer::OnOutputSurfaceCreated();
 }
 
 }  // namespace cc