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

content/browser/web_contents/web_contents_view_aura.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_view_aura.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 320 matching lines @@
   // We can't close the tab while we're in the drag and
   // |drag_handler_->CancelDrag()| is async.  Instead, set a flag to cancel
   // the drag and when the drag nested message loop ends, close the tab.
   aura::RootWindow* root_window = GetNativeView()->GetRootWindow();
   if (aura::client::GetDragDropClient(root_window))
     aura::client::GetDragDropClient(root_window)->DragCancel();
 
   close_tab_after_drag_ends_ = true;
 }
 
+WebDropData* WebContentsViewAura::GetDropData() const {
+  return NULL;
+}
+
 bool WebContentsViewAura::IsEventTracking() const {
   return false;
 }
 
 void WebContentsViewAura::CloseTabAfterEventTracking() {
 }
 
 void WebContentsViewAura::GetViewBounds(gfx::Rect* out) const {
   *out = window_->GetBoundsInRootWindow();
 }
@@ skipping 245 matching lines @@
 }
 
 int WebContentsViewAura::OnPerformDrop(const aura::DropTargetEvent& event) {
   web_contents_->GetRenderViewHost()->DragTargetDrop(
       event.location(),
       GetNativeView()->GetRootWindow()->last_mouse_location());
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   return current_drag_op_;
 }