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

content/browser/web_contents/web_contents_drag_win.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/web_contents/web_contents_drag_win.h"
 
 #include <windows.h>
 
 #include <string>
 
@@ skipping 136 matching lines @@
 }
 
 WebContentsDragWin::~WebContentsDragWin() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!drag_drop_thread_.get());
 }
 
 void WebContentsDragWin::StartDragging(const WebDropData& drop_data,
                                        WebDragOperationsMask ops,
                                        const gfx::ImageSkia& image,
-                                       const gfx::Point& image_offset) {
+                                       const gfx::Vector2d& image_offset) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   drag_source_ = new WebDragSource(source_window_, web_contents_);
 
   const GURL& page_url = web_contents_->GetURL();
   const std::string& page_encoding = web_contents_->GetEncoding();
 
   // If it is not drag-out, do the drag-and-drop in the current UI thread.
   if (drop_data.download_metadata.empty()) {
     if (DoDragging(drop_data, ops, page_url, page_encoding,
@@ skipping 17 matching lines @@
 
   EnableBackgroundDraggingSupport(drag_drop_thread_->thread_id());
 }
 
 void WebContentsDragWin::StartBackgroundDragging(
     const WebDropData& drop_data,
     WebDragOperationsMask ops,
     const GURL& page_url,
     const std::string& page_encoding,
     const gfx::ImageSkia& image,
-    const gfx::Point& image_offset) {
+    const gfx::Vector2d& image_offset) {
   drag_drop_thread_id_ = base::PlatformThread::CurrentId();
 
   if (DoDragging(drop_data, ops, page_url, page_encoding,
                  image, image_offset)) {
     BrowserThread::PostTask(
         BrowserThread::UI,
         FROM_HERE,
         base::Bind(&WebContentsDragWin::EndDragging, this));
   } else {
     // When DoDragging returns false, the contents view window is gone and thus
@@ skipping 84 matching lines @@
   }
 
   data->SetURL(drop_data.url, drop_data.url_title);
 }
 
 bool WebContentsDragWin::DoDragging(const WebDropData& drop_data,
                                     WebDragOperationsMask ops,
                                     const GURL& page_url,
                                     const std::string& page_encoding,
                                     const gfx::ImageSkia& image,
-                                    const gfx::Point& image_offset) {
+                                    const gfx::Vector2d& image_offset) {
   ui::OSExchangeData data;
 
   if (!drop_data.download_metadata.empty()) {
     PrepareDragForDownload(drop_data, &data, page_url, page_encoding);
 
     // Set the observer.
     ui::OSExchangeDataProviderWin::GetDataObjectImpl(data)->set_observer(this);
   }
 
   // We set the file contents before the URL because the URL also sets file
@@ skipping 98 matching lines @@
 void WebContentsDragWin::OnDataObjectDisposed() {
   DCHECK(drag_drop_thread_id_ == base::PlatformThread::CurrentId());
 
   // The drag-and-drop thread is only closed after OLE is done with
   // DataObjectImpl.
   BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(&WebContentsDragWin::CloseThread, this));
 }