Remove Increment/DecrementKeepAliveCount from AppsClient

extensions/browser/app_window/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 "extensions/browser/app_window/app_window.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 267 matching lines @@
   native_app_window_.reset(
       app_window_client->CreateNativeAppWindow(this, new_params));
 
   helper_.reset(new AppWebContentsHelper(
       browser_context_, extension_id_, web_contents, app_delegate_.get()));
 
   popup_manager_.reset(
       new web_modal::PopupManager(GetWebContentsModalDialogHost()));
   popup_manager_->RegisterWith(web_contents);
 
-  // Prevent the browser process from shutting down while this window exists.
-  app_window_client->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 {
     // Panels are not activated by default.
     Show(window_type_is_panel() || !new_params.focused ? SHOW_INACTIVE
@@ skipping 24 matching lines @@
     // that to happen, we need to define a size for the content, otherwise the
     // layout will happen in a 0x0 area.
     gfx::Insets frame_insets = native_app_window_->GetFrameInsets();
     gfx::Rect initial_bounds = new_params.GetInitialWindowBounds(frame_insets);
     initial_bounds.Inset(frame_insets);
     app_delegate_->ResizeWebContents(web_contents, initial_bounds.size());
   }
 }
 
 AppWindow::~AppWindow() {
-  // Unregister now to prevent getting notified if we're the last window open.
-  app_delegate_->SetTerminatingCallback(base::Closure());
-
   ExtensionRegistry::Get(browser_context_)->RemoveObserver(this);
-
-  // Remove shutdown prevention.
-  AppWindowClient::Get()->DecrementKeepAliveCount();
 }
 
 void AppWindow::RequestMediaAccessPermission(
     content::WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback) {
   DCHECK_EQ(AppWindow::web_contents(), web_contents);
   helper_->RequestMediaAccessPermission(request, callback);
 }
 
@@ skipping 721 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 extensions