athena: Set a default background for the window title.

athena/content/web_activity.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 "athena/content/web_activity.h"
 
 #include "athena/activity/public/activity_factory.h"
 #include "athena/activity/public/activity_manager.h"
 #include "athena/input/public/accelerator_manager.h"
 #include "content/public/browser/native_web_keyboard_event.h"
@@ skipping 331 matching lines @@
   return Activity::ACTIVITY_MEDIA_STATE_NONE;
 }
 
 void WebActivity::Init() {
   DCHECK(web_view_);
   web_view_->InstallAccelerators();
 }
 
 SkColor WebActivity::GetRepresentativeColor() const {
   // TODO(sad): Compute the color from the favicon.
-  return SK_ColorGRAY;
+  return web_view_ ? SK_ColorGRAY : SkColorSetRGB(0xbb, 0x77, 0x77);
 }
 
 base::string16 WebActivity::GetTitle() const {
-  return web_view_->GetWebContents()->GetTitle();
+  return web_view_ ? web_view_->GetWebContents()->GetTitle() : base::string16();
 }
 
 bool WebActivity::UsesFrame() const {
   return true;
 }
 
 views::View* WebActivity::GetContentsView() {
   if (!web_view_) {
     web_view_ = new AthenaWebView(browser_context_);
     web_view_->LoadInitialURL(url_);
@@ skipping 16 matching lines @@
                               bool explicit_set) {
   ActivityManager::Get()->UpdateActivity(this);
 }
 
 void WebActivity::DidUpdateFaviconURL(
     const std::vector<content::FaviconURL>& candidates) {
   ActivityManager::Get()->UpdateActivity(this);
 }
 
 }  // namespace athena