Reland 135525 - Add a first-class off-store install UI to chrome://extensions/.

content/browser/web_contents/web_contents_view_mac.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 
 #import "content/browser/web_contents/web_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 229 matching lines @@
   focus_tracker_.reset(nil);
 }
 
 bool WebContentsViewMac::IsDoingDrag() const {
   return false;
 }
 
 void WebContentsViewMac::CancelDragAndCloseTab() {
 }
 
+WebDropData* WebContentsViewMac::GetDropData() const {
+  return NULL;
+}
+
 void WebContentsViewMac::UpdateDragCursor(WebDragOperation operation) {
   [cocoa_view_ setCurrentDragOperation: operation];
 }
 
 void WebContentsViewMac::GotFocus() {
   // This is only used in the views FocusManager stuff but it bleeds through
   // all subclasses. http://crbug.com/21875
 }
 
 // This is called when the renderer asks us to take focus back (i.e., it has
@@ skipping 310 matching lines @@
       [[[notification userInfo] objectForKey:kSelectionDirection]
         unsignedIntegerValue];
   if (direction == NSDirectSelection)
     return;
 
   [self webContents]->
       FocusThroughTabTraversal(direction == NSSelectingPrevious);
 }
 
 @end