Draggable region support for frameless app window on Windows.

chrome/browser/ui/cocoa/extensions/shell_window_cocoa.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.
 
 #include "chrome/browser/ui/cocoa/extensions/shell_window_cocoa.h"
 
 #include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/cocoa/browser_window_utils.h"
@@ skipping 256 matching lines @@
   NSRect cocoa_bounds = NSMakeRect(checked_bounds.x(), 0,
                                    checked_bounds.width(),
                                    checked_bounds.height());
   // Flip coordinates based on the primary screen.
   NSScreen* screen = [[NSScreen screens] objectAtIndex:0];
   cocoa_bounds.origin.y = NSHeight([screen frame]) - checked_bounds.bottom();
 
   [window() setFrame:cocoa_bounds display:YES];
 }
 
-void ShellWindowCocoa::SetDraggableRegion(SkRegion* region) {
-  // TODO: implement
-}
-
 void ShellWindowCocoa::FlashFrame(bool flash) {
   if (flash) {
     attention_request_id_ = [NSApp requestUserAttention:NSInformationalRequest];
   } else {
     [NSApp cancelUserAttentionRequest:attention_request_id_];
     attention_request_id_ = 0;
   }
 }
 
 bool ShellWindowCocoa::IsAlwaysOnTop() const {
@@ skipping 33 matching lines @@
   return [window_controller_ window];
 }
 
 // static
 ShellWindow* ShellWindow::CreateImpl(Profile* profile,
                                      const extensions::Extension* extension,
                                      const GURL& url,
                                      const ShellWindow::CreateParams& params) {
   return new ShellWindowCocoa(profile, extension, url, params);
 }