Move GetCursor() method from WindowDelegate to its own delegate interface CursorDelegate.

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/auto_reset.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/metrics/histogram.h"
@@ skipping 1350 matching lines @@
             aura::client::kConstrainedWindowKey)) {
       gfx::Rect bounds = window_->children()[i]->bounds();
       bounds.set_origin(
           gfx::Point((new_bounds.width() - bounds.width()) / 2,
                      (new_bounds.height() - bounds.height()) / 2));
       window_->children()[i]->SetBounds(bounds);
     }
   }
 }
 
-gfx::NativeCursor WebContentsViewAura::GetCursor(const gfx::Point& point) {
-  return gfx::kNullCursor;
-}
-
 int WebContentsViewAura::GetNonClientComponent(const gfx::Point& point) const {
   return HTCLIENT;
 }
 
 bool WebContentsViewAura::ShouldDescendIntoChildForEventHandling(
     aura::Window* child,
     const gfx::Point& location) {
   return true;
 }
 
@@ skipping 140 matching lines @@
       event.location(),
       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   current_drop_data_.reset();
   return ConvertFromWeb(current_drag_op_);
 }
 
 }  // namespace content