Remove chrome.windows.* support for platform apps.

chrome/browser/extensions/extension_tabs_module.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/extension_tabs_module.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
@@ skipping 531 matching lines @@
 #endif
 #if defined(USE_ASH)
         if (CommandLine::ForCurrentProcess()->HasSwitch(
                 ash::switches::kAuraPanelManager))
           use_panels = true;
 #endif
         if (use_panels)
           window_type = Browser::TYPE_PANEL;
         else
           window_type = Browser::TYPE_POPUP;
-      } else if (type_str == keys::kWindowTypeValueShell &&
-          GetExtension()->is_platform_app()) {
-        GURL window_url = urls.empty() ? GURL(chrome::kAboutBlankURL) : urls[0];
-        ShellWindow* shell_window =
-            ShellWindow::Create(window_profile, GetExtension(), window_url);
-        shell_window->SetBounds(window_bounds);
-        shell_window->Show();
-        result_.reset(shell_window->extension_window_controller()->
-            CreateWindowValueWithTabs());
-        return true;
       } else if (type_str != keys::kWindowTypeValueNormal) {
         error_ = keys::kInvalidWindowTypeError;
         return false;
       }
     }
   }
 
 #if defined(USE_ASH)
   // Aura Panels create a new PanelViewAura.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 1224 matching lines @@
   // called for every API call the extension made.
   GotLanguage(language);
 }
 
 void DetectTabLanguageFunction::GotLanguage(const std::string& language) {
   result_.reset(Value::CreateStringValue(language.c_str()));
   SendResponse(true);
 
   Release();  // Balanced in Run()
 }