Draggable region support for frameless app window on CrOS.

chrome/browser/ui/views/extensions/shell_window_views.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 "chrome/browser/ui/views/extensions/shell_window_views.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/common/extensions/draggable_region.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 474 matching lines @@
   return window_;
 }
 
 const views::Widget* ShellWindowViews::GetWidget() const {
   return window_;
 }
 
 void ShellWindowViews::OnViewWasResized() {
   // TODO(jeremya): this doesn't seem like a terribly elegant way to keep the
   // window shape in sync.
-#if defined(OS_WIN) && !defined(USE_AURA)
-  // Set the window shape of the RWHV.
   DCHECK(window_);
   DCHECK(web_view_);
+#if defined(USE_ASH)
+  if (draggable_region()) {
+    SkRegion* rgn = new SkRegion;
+    rgn->op(*draggable_region(), SkRegion::kUnion_Op);
+    GetNativeWindow()->SetDraggableRegion(rgn);
+  }
+#elif defined(OS_WIN)
+  // Set the window shape of the RWHV.
   gfx::Size sz = web_view_->size();
   int height = sz.height(), width = sz.width();
   int radius = 1;
   gfx::Path path;
   if (window_->IsMaximized() || window_->IsFullscreen()) {
     // Don't round the corners when the window is maximized or fullscreen.
     path.addRect(0, 0, width, height);
   } else {
     if (frameless_) {
       path.moveTo(0, radius);
@@ skipping 70 matching lines @@
   OnViewWasResized();
 }
 
 // static
 ShellWindow* ShellWindow::CreateImpl(Profile* profile,
                                      const extensions::Extension* extension,
                                      const GURL& url,
                                      const ShellWindow::CreateParams& params) {
   return new ShellWindowViews(profile, extension, url, params);
 }