Wire up windowless plugins. Mostly Mac related, some cross

chrome/renderer/webplugin_delegate_proxy.h

 // Copyright (c) 2006-2008 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 CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
 #define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/gfx/rect.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/ref_counted.h"
 #include "chrome/common/ipc_message.h"
+#include "chrome/common/transport_dib.h"
 #include "chrome/renderer/plugin_channel_host.h"
 #include "googleurl/src/gurl.h"
 #include "skia/ext/platform_canvas.h"
 #include "webkit/glue/webplugin.h"
 #include "webkit/glue/webplugin_delegate.h"
 
 struct NPObject;
 class NPObjectStub;
 struct NPVariant_Param;
 struct PluginHostMsg_URLRequest_Params;
@@ skipping 113 matching lines @@
   void OnCancelDocumentLoad();
   void OnInitiateHTTPRangeRequest(const std::string& url,
                                   const std::string& range_info,
                                   intptr_t existing_stream,
                                   bool notify_needed,
                                   intptr_t notify_data);
 
   // Draw a graphic indicating a crashed plugin.
   void PaintSadPlugin(gfx::NativeDrawingContext context, const gfx::Rect& rect);
 
-#if defined(OS_WIN)
-  // Returns true if the given rectangle is different in the hdc and the
-  // current background bitmap.
-  bool BackgroundChanged(HDC hdc, const gfx::Rect& rect);
-#else
-  // TODO(port): this should be portable; just avoiding windowless plugins for
-  // now.
-#endif
+  // Returns true if the given rectangle is different in the native drawing
+  // context and the current background bitmap.
+  bool BackgroundChanged(gfx::NativeDrawingContext context,
+                         const gfx::Rect& rect);
 
   // Copies the given rectangle from the transport bitmap to the backing store.
   void CopyFromTransportToBacking(const gfx::Rect& rect);
 
   // Clears the shared memory section and canvases used for windowless plugins.
   void ResetWindowlessBitmaps();
 
   // Creates a shared memory section and canvas.
-  bool CreateBitmap(scoped_ptr<base::SharedMemory>* memory,
+  bool CreateBitmap(scoped_ptr<TransportDIB>* memory,
                     scoped_ptr<skia::PlatformCanvas>* canvas);
 
   RenderView* render_view_;
   WebPlugin* plugin_;
   bool windowless_;
   scoped_refptr<PluginChannelHost> channel_host_;
   std::string mime_type_;
   std::string clsid_;
   int instance_id_;
   FilePath plugin_path_;
@@ skipping 12 matching lines @@
 
   // True if we got an invalidate from the plugin and are waiting for a paint.
   bool invalidate_pending_;
 
   // Used to desynchronize windowless painting.  When WebKit paints, we bitblt
   // from our backing store of what the plugin rectangle looks like.  The
   // plugin paints into the transport store, and we copy that to our backing
   // store when we get an invalidate from it.  The background bitmap is used
   // for transparent plugins, as they need the backgroud data during painting.
   bool transparent_;
-  scoped_ptr<base::SharedMemory> backing_store_;
+  scoped_ptr<TransportDIB> backing_store_;
   scoped_ptr<skia::PlatformCanvas> backing_store_canvas_;
-  scoped_ptr<base::SharedMemory> transport_store_;
+  scoped_ptr<TransportDIB> transport_store_;
   scoped_ptr<skia::PlatformCanvas> transport_store_canvas_;
-  scoped_ptr<base::SharedMemory> background_store_;
+  scoped_ptr<TransportDIB> background_store_;
   scoped_ptr<skia::PlatformCanvas> background_store_canvas_;
   // This lets us know which portion of the backing store has been painted into.
   gfx::Rect backing_store_painted_;
 
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 
   DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateProxy);
 };
 
 #endif  // CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H_