Allow CanvasSkia to bind to an existing SkCanvas.

views/controls/menu/menu_scroll_view_container.cc

 // Copyright (c) 2011 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 "views/controls/menu/menu_scroll_view_container.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <uxtheme.h>
 #include <Vssym32.h>
@@ skipping 68 matching lines @@
   }
 
   virtual void OnPaint(gfx::Canvas* canvas) {
     const MenuConfig& config = MenuConfig::instance();
 
 #if defined(OS_WIN)
     // The background.
     gfx::Rect item_bounds(0, 0, width(), height());
     NativeTheme::ExtraParams extra;
     extra.menu_item.is_selected = false;
-    NativeTheme::instance()->Paint(canvas->AsCanvasSkia(),
+    NativeTheme::instance()->Paint(canvas->GetSkCanvas(),
                                    NativeTheme::kMenuItemBackground,
                                    NativeTheme::kNormal, item_bounds, extra);
     SkColor arrow_color = color_utils::GetSysSkColor(COLOR_MENUTEXT);
 #else
     SkColor arrow_color = SK_ColorBLACK;
 #endif
 
     // Then the arrow.
     int x = width() / 2;
     int y = (height() - config.scroll_arrow_height) / 2;
@@ skipping 79 matching lines @@
 void MenuScrollViewContainer::OnPaintBackground(gfx::Canvas* canvas) {
   if (background()) {
     View::OnPaintBackground(canvas);
     return;
   }
 
 #if defined(OS_WIN)
   HDC dc = canvas->BeginPlatformPaint();
   gfx::Rect bounds(0, 0, width(), height());
   NativeTheme::ExtraParams extra;
-  NativeTheme::instance()->Paint(canvas->AsCanvasSkia(),
+  NativeTheme::instance()->Paint(canvas->GetSkCanvas(),
       NativeTheme::kMenuPopupBackground, NativeTheme::kNormal, bounds, extra);
   canvas->EndPlatformPaint();
 #elif defined(OS_CHROMEOS)
   static const SkColor kGradientColors[2] = {
       SK_ColorWHITE,
       SkColorSetRGB(0xF0, 0xF0, 0xF0)
   };
 
   static const SkScalar kGradientPoints[2] = {
       SkIntToScalar(0),
@@ skipping 12 matching lines @@
   SkPaint paint;
   paint.setShader(shader);
   shader->unref();
 
   paint.setStyle(SkPaint::kFill_Style);
   paint.setXfermodeMode(SkXfermode::kSrc_Mode);
 
   canvas->DrawRectInt(0, 0, width(), height(), paint);
 #else
   // This is the same as COLOR_TOOLBAR.
-  canvas->AsCanvasSkia()->drawColor(SkColorSetRGB(210, 225, 246),
-                                    SkXfermode::kSrc_Mode);
+  canvas->GetSkCanvas()->drawColor(SkColorSetRGB(210, 225, 246),
+                                   SkXfermode::kSrc_Mode);
 #endif
 }
 
 void MenuScrollViewContainer::Layout() {
   gfx::Insets insets = GetInsets();
   int x = insets.left();
   int y = insets.top();
   int width = View::width() - insets.width();
   int content_height = height() - insets.height();
   if (!scroll_up_button_->IsVisible()) {
@@ skipping 38 matching lines @@
 
 void MenuScrollViewContainer::OnBoundsChanged(
     const gfx::Rect& previous_bounds) {
   gfx::Size content_pref = scroll_view_->GetContents()->GetPreferredSize();
   scroll_up_button_->SetVisible(content_pref.height() > height());
   scroll_down_button_->SetVisible(content_pref.height() > height());
   Layout();
 }
 
 }  // namespace views