Add Vector2d classes that represent offsets, instead of using Point.

content/browser/browser_plugin/browser_plugin_embedder_helper.cc

 // 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.
 
 #include "content/browser/browser_plugin/browser_plugin_embedder_helper.h"
 
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/common/browser_plugin_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 74 matching lines @@
   }
   const gfx::Rect* guest_rect =
       reinterpret_cast<const gfx::Rect*>(guest_rect_data);
   const WebKit::WebInputEvent* input_event =
       reinterpret_cast<const WebKit::WebInputEvent*>(input_event_data);
   RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
       render_view_host());
 
   // Convert the window coordinates into screen coordinates.
   gfx::Rect guest_screen_rect(*guest_rect);
-  if (rvh->GetView())
-    guest_screen_rect.Offset(rvh->GetView()->GetViewBounds().origin());
+  if (rvh->GetView()) {
+    guest_screen_rect.Offset(
+        rvh->GetView()->GetViewBounds().OffsetFromOrigin());
+  }
 
   IPC::Message* reply_message =
       IPC::SyncMessage::GenerateReply(&message);
   embedder_->HandleInputEvent(instance_id,
                               rvh,
                               guest_screen_rect,
                               *input_event,
                               reply_message);
 }
 
@@ skipping 63 matching lines @@
     int instance_id,
     WebKit::WebDragStatus drag_status,
     const WebDropData& drop_data,
     WebKit::WebDragOperationsMask drag_mask,
     const gfx::Point& location) {
   embedder_->DragStatusUpdate(instance_id, drag_status, drop_data, drag_mask,
       location);
 }
 
 }  // namespace content