Transparent apps support

chrome/browser/extensions/api/app_window/app_window_api.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/api/app_window/app_window_api.h"
 
 #include "base/command_line.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/debugger/devtools_window.h"
@@ skipping 122 matching lines @@
     if (options->left.get() || options->top.get()) {
       if (options->left.get())
         create_params.bounds.set_x(*options->left.get());
       if (options->top.get())
         create_params.bounds.set_y(*options->top.get());
       create_params.restore_position = false;
     }
 
     if (options->frame.get()) {
       if (*options->frame == kHtmlFrameOption &&
-          CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kEnableExperimentalExtensionApis)) {
+          GetExtension()->HasAPIPermission(APIPermission::kExperimental)) {
         create_params.frame = ShellWindow::CreateParams::FRAME_NONE;
         inject_html_titlebar = true;
       } else if (*options->frame == kNoneFrameOption) {
         create_params.frame = ShellWindow::CreateParams::FRAME_NONE;
       } else {
         create_params.frame = ShellWindow::CreateParams::FRAME_CHROME;
       }
     }
 
+    if (options->transparent_background.get() &&
+        GetExtension()->HasAPIPermission(APIPermission::kExperimental)) {
+      create_params.transparent_background = *options->transparent_background;
+    }
+
     gfx::Size& minimum_size = create_params.minimum_size;
     if (options->min_width.get())
       minimum_size.set_width(*options->min_width);
     if (options->min_height.get())
       minimum_size.set_height(*options->min_height);
     gfx::Size& maximum_size = create_params.maximum_size;
     if (options->max_width.get())
       maximum_size.set_width(*options->max_width);
     if (options->max_height.get())
       maximum_size.set_height(*options->max_height);
@@ skipping 44 matching lines @@
   if (ShellWindowRegistry::Get(profile())->HadDevToolsAttached(created_view)) {
     new DevToolsRestorer(this, created_view);
     return true;
   }
 
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions