[WebModals] New API for browser-scoped popup management.

apps/app_window.cc

 // Copyright 2014 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 "apps/app_window.h"
 
 #include <algorithm>
 
 #include "apps/app_window_geometry_cache.h"
 #include "apps/app_window_registry.h"
@@ skipping 246 matching lines @@
                      const CreateParams& params) {
   // Initialize the render interface and web contents
   app_window_contents_.reset(app_window_contents);
   app_window_contents_->Initialize(browser_context(), url);
   WebContents* web_contents = app_window_contents_->GetWebContents();
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableAppsShowOnFirstPaint)) {
     content::WebContentsObserver::Observe(web_contents);
   }
   delegate_->InitWebContents(web_contents);
+
   WebContentsModalDialogManager::CreateForWebContents(web_contents);
   // TODO(jamescook): Delegate out this creation.
   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
       web_contents);
 
   web_contents->SetDelegate(this);
   WebContentsModalDialogManager::FromWebContents(web_contents)
       ->SetDelegate(this);
   extensions::SetViewType(web_contents, extensions::VIEW_TYPE_APP_WINDOW);
 
   // Initialize the window
   CreateParams new_params = LoadDefaults(params);
   window_type_ = new_params.window_type;
   window_key_ = new_params.window_key;
 
   // Windows cannot be always-on-top in fullscreen mode for security reasons.
   cached_always_on_top_ = new_params.always_on_top;
   if (new_params.state == ui::SHOW_STATE_FULLSCREEN)
     new_params.always_on_top = false;
 
   native_app_window_.reset(delegate_->CreateNativeAppWindow(this, new_params));
 
+  DCHECK(GetWebContentsModalDialogHost());
+  popup_manager_.reset(
+      new web_modal::PopupManager(GetWebContentsModalDialogHost()));
+  popup_manager_->RegisterWith(web_contents);
+
   // Prevent the browser process from shutting down while this window exists.
   AppsClient::Get()->IncrementKeepAliveCount();
   UpdateExtensionAppIcon();
   AppWindowRegistry::Get(browser_context_)->AddAppWindow(this);
 
   if (new_params.hidden) {
     // Although the window starts hidden by default, calling Hide() here
     // notifies observers of the window being hidden.
     Hide();
   } else {
@@ skipping 843 matching lines @@
         region.bounds.x(),
         region.bounds.y(),
         region.bounds.right(),
         region.bounds.bottom(),
         region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
   }
   return sk_region;
 }
 
 }  // namespace apps