Extension/Platform App window isolation

chrome/browser/extensions/browser_extension_window_controller.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/extensions/browser_extension_window_controller.h"
 
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/extension_tabs_module_constants.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
+#include "chrome/common/extensions/extension.h"
 
 BrowserExtensionWindowController::BrowserExtensionWindowController(
     Browser* browser)
     : ExtensionWindowController(browser->window(), browser->profile()),
       browser_(browser) {
 }
 
 int BrowserExtensionWindowController::GetWindowId() const {
   return static_cast<int>(browser_->session_id().id());
 }
@@ skipping 38 matching lines @@
 void BrowserExtensionWindowController::SetFullscreenMode(
     bool is_fullscreen,
     const GURL& extension_url) const {
   if (browser_->window()->IsFullscreen() != is_fullscreen)
     browser_->ToggleFullscreenModeWithExtension(extension_url);
 }
 
 Browser* BrowserExtensionWindowController::GetBrowser() const {
   return browser_;
 }
+
+bool BrowserExtensionWindowController::IsVisibleToExtension(
+    const Extension* extension) const {
+  // Platform apps can only see their own windows.
+  // TODO(mihaip): what about non-Aura panels?
+  return !extension->is_platform_app();
+}