Make activities have a thick border when in overview mode part 1

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 "base/strings/utf_string_conversions.h"
@@ skipping 386 matching lines @@
 }
 
 void WebActivity::CreateOverviewModeImage() {
   // TODO(skuhne): Create an overview.
 }
 
 gfx::ImageSkia WebActivity::GetOverviewModeImage() {
   return overview_mode_image_;
 }
 
+void WebActivity::PrepareContentsForOverview() {
+  // Turn on fast resizing to avoid re-laying out the web contents when
+  // entering / exiting overview mode.
+  web_view_->SetFastResize(true);
+}
+
+void WebActivity::ResetContentsView() {
+  web_view_->SetFastResize(false);
+  web_view_->Layout();
+}
+
 void WebActivity::TitleWasSet(content::NavigationEntry* entry,
                               bool explicit_set) {
   ActivityManager::Get()->UpdateActivity(this);
 }
 
 void WebActivity::DidUpdateFaviconURL(
     const std::vector<content::FaviconURL>& candidates) {
   ActivityManager::Get()->UpdateActivity(this);
 }
 
 void WebActivity::DidChangeThemeColor(SkColor theme_color) {
   title_color_ = theme_color;
 }
 
 }  // namespace athena