Add the page url to plugin crashes to aid debugging.

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/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"
 
-class GURL;
 struct NPObject;
 class NPObjectStub;
 struct NPVariant_Param;
 struct PluginHostMsg_URLRequest_Params;
 class RenderView;
 class SkBitmap;
 
 namespace base {
 class SharedMemory;
 class WaitableEvent;
@@ skipping 165 matching lines @@
   bool transparent_;
   scoped_ptr<base::SharedMemory> backing_store_;
   scoped_ptr<skia::PlatformCanvas> backing_store_canvas_;
   scoped_ptr<base::SharedMemory> transport_store_;
   scoped_ptr<skia::PlatformCanvas> transport_store_canvas_;
   scoped_ptr<base::SharedMemory> 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_