Migrate Graphics2D to new design.

webkit/plugins/ppapi/ppb_graphics_2d_impl.h

 // Copyright (c) 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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/ppb_graphics_2d_api.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCanvas.h"
 #include "webkit/plugins/webkit_plugins_export.h"
 
 namespace gfx {
 class Point;
 class Rect;
 }
 
+namespace content {
+class PepperGraphics2DHost;
+}
+
 namespace webkit {
 namespace ppapi {
 
 class PPB_ImageData_Impl;
 class PluginInstance;
 
-class PPB_Graphics2D_Impl : public ::ppapi::Resource,
-                            public ::ppapi::thunk::PPB_Graphics2D_API {
+class WEBKIT_PLUGINS_EXPORT PPB_Graphics2D_Impl :
+    public ::ppapi::Resource,
+    public ::ppapi::thunk::PPB_Graphics2D_API {
  public:
   virtual ~PPB_Graphics2D_Impl();
 
-  WEBKIT_PLUGINS_EXPORT static PP_Resource Create(PP_Instance instance,
-                                                  const PP_Size& size,
-                                                  PP_Bool is_always_opaque);
+  static PP_Resource Create(PP_Instance instance,
+                            const PP_Size& size,
+                            PP_Bool is_always_opaque);
 
   bool is_always_opaque() const { return is_always_opaque_; }
 
   // Resource overrides.
   virtual ::ppapi::thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API();
   virtual void LastPluginRefWasDeleted() OVERRIDE;
 
   // PPB_Graphics2D functions.
   virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) OVERRIDE;
   virtual void PaintImageData(PP_Resource image_data,
@@ skipping 27 matching lines @@
   void ViewInitiatedPaint();
   void ViewFlushedPaint();
 
   PPB_ImageData_Impl* image_data() { return image_data_.get(); }
 
   // Scale |op_rect| to logical pixels, taking care to include partially-
   // covered logical pixels (aka DIPs). Also scale optional |delta| to logical
   // pixels as well for scrolling cases. Returns false for scrolling cases where
   // scaling either |op_rect| or |delta| would require scrolling to fall back to
   // invalidation due to rounding errors, true otherwise.
-  WEBKIT_PLUGINS_EXPORT static bool ConvertToLogicalPixels(float scale,
-                                                           gfx::Rect* op_rect,
-                                                           gfx::Point* delta);
+  static bool ConvertToLogicalPixels(float scale,
+                                     gfx::Rect* op_rect,
+                                     gfx::Point* delta);
 
  private:
   explicit PPB_Graphics2D_Impl(PP_Instance instance);
 
   bool Init(int width, int height, bool is_always_opaque);
 
   // Tracks a call to flush that requires a callback.
   class FlushCallbackData {
    public:
     FlushCallbackData() {
@@ skipping 100 matching lines @@
   // Set to true if the plugin declares that this device will always be opaque.
   // This allows us to do more optimized painting in some cases.
   bool is_always_opaque_;
 
   // Set to the scale between what the plugin considers to be one pixel and one
   // DIP
   float scale_;
 
   base::WeakPtrFactory<PPB_Graphics2D_Impl> weak_ptr_factory_;
 
+  friend class content::PepperGraphics2DHost;
   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics2D_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_