Canvas refactoring part 2....

chrome/browser/views/tabs/dragged_tab_view.cc

 // Copyright (c) 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 "chrome/browser/views/tabs/dragged_tab_view.h"
 
 #include "chrome/browser/views/tabs/native_view_photobooth.h"
 #include "gfx/canvas.h"
+#include "gfx/canvas_skia.h"
 #include "third_party/skia/include/core/SkShader.h"
 #include "views/widget/widget.h"
 
 #if defined(OS_WIN)
 #include "views/widget/widget_win.h"
 #elif defined(OS_LINUX)
 #include "views/widget/widget_gtk.h"
 #endif
 
 static const int kTransparentAlpha = 200;
@@ skipping 159 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // DraggedTabView, private:
 
 void DraggedTabView::PaintAttachedTab(gfx::Canvas* canvas) {
   renderer_->ProcessPaint(canvas);
 }
 
 void DraggedTabView::PaintDetachedView(gfx::Canvas* canvas) {
   gfx::Size ps = GetPreferredSize();
-  gfx::Canvas scale_canvas(ps.width(), ps.height(), false);
+  gfx::CanvasSkia scale_canvas(ps.width(), ps.height(), false);
   SkBitmap& bitmap_device = const_cast<SkBitmap&>(
       scale_canvas.getTopPlatformDevice().accessBitmap(true));
   bitmap_device.eraseARGB(0, 0, 0, 0);
 
   scale_canvas.FillRectInt(kDraggedTabBorderColor, 0,
       attached_tab_size_.height() - kDragFrameBorderSize,
       ps.width(), ps.height() - attached_tab_size_.height());
   int image_x = kDragFrameBorderSize;
   int image_y = attached_tab_size_.height();
   int image_w = ps.width() - kTwiceDragFrameBorderSize;
   int image_h =
       ps.height() - kTwiceDragFrameBorderSize - attached_tab_size_.height();
   scale_canvas.FillRectInt(SK_ColorBLACK, image_x, image_y, image_w, image_h);
   photobooth_->PaintScreenshotIntoCanvas(
-      &scale_canvas,
+      scale_canvas.AsCanvas(),
       gfx::Rect(image_x, image_y, image_w, image_h));
-  renderer_->ProcessPaint(&scale_canvas);
+  renderer_->ProcessPaint(scale_canvas.AsCanvas());
 
   SkIRect subset;
   subset.set(0, 0, ps.width(), ps.height());
   SkBitmap mipmap = scale_canvas.ExtractBitmap();
   mipmap.buildMipMap(true);
 
   SkShader* bitmap_shader =
       SkShader::CreateBitmapShader(mipmap, SkShader::kClamp_TileMode,
                                    SkShader::kClamp_TileMode);
 
@@ skipping 31 matching lines @@
 #else
   gfx::Rect bounds;
   container_->GetBounds(&bounds, true);
   container_->SetBounds(gfx::Rect(bounds.x(), bounds.y(), w, h));
 #endif
 }
 
 int DraggedTabView::ScaleValue(int value) {
   return attached_ ? value : static_cast<int>(value * kScalingFactor);
 }