Enhance chrome.app.window API with window background color

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 <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 146 matching lines @@
 
 // AppWindow::CreateParams
 
 AppWindow::CreateParams::CreateParams()
     : window_type(AppWindow::WINDOW_TYPE_DEFAULT),
       frame(AppWindow::FRAME_CHROME),
       has_frame_color(false),
       active_frame_color(SK_ColorBLACK),
       inactive_frame_color(SK_ColorBLACK),
       alpha_enabled(false),
+      background_color(SK_ColorWHITE),
       is_ime_window(false),
       creator_process_id(0),
       state(ui::SHOW_STATE_DEFAULT),
       hidden(false),
       resizable(true),
       focused(true),
       always_on_top(false),
       visible_on_all_workspaces(false),
       show_in_shelf(false) {}
 
@@ skipping 64 matching lines @@
                      const Extension* extension)
     : browser_context_(context),
       extension_id_(extension->id()),
       window_type_(WINDOW_TYPE_DEFAULT),
       app_delegate_(app_delegate),
       fullscreen_types_(FULLSCREEN_TYPE_NONE),
       has_been_shown_(false),
       is_hidden_(false),
       cached_always_on_top_(false),
       requested_alpha_enabled_(false),
+      background_color_(SK_ColorWHITE),
       is_ime_window_(false),
       show_in_shelf_(false),
       image_loader_ptr_factory_(this) {
   ExtensionsBrowserClient* client = ExtensionsBrowserClient::Get();
   CHECK(!client->IsGuestSession(context) || context->IsOffTheRecord())
       << "Only off the record window may be opened in the guest mode.";
 }
 
 void AppWindow::Init(const GURL& url,
                      AppWindowContents* app_window_contents,
@@ skipping 22 matching lines @@
   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;
 
   requested_alpha_enabled_ = new_params.alpha_enabled;
+  background_color_ = new_params.background_color;
   is_ime_window_ = params.is_ime_window;
   show_in_shelf_ = params.show_in_shelf;
   window_icon_url_ = params.window_icon_url;
 
   AppWindowClient* app_window_client = AppWindowClient::Get();
   native_app_window_.reset(
       app_window_client->CreateNativeAppWindow(this, &new_params));
 
   helper_.reset(new AppWebContentsHelper(
       browser_context_, extension_id_, web_contents(), app_delegate_.get()));
@@ skipping 810 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