Notify launcher page with onTransitionChanged event

ui/app_list/views/app_list_view.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 "ui/app_list/views/app_list_view.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 273 matching lines @@
 }
 
 void AppListView::OnShutdown() {
   // Nothing to do on views - the widget will soon be closed, which will tear
   // everything down.
 }
 
 void AppListView::SetProfileByPath(const base::FilePath& profile_path) {
   delegate_->SetProfileByPath(profile_path);
   app_list_main_view_->ModelChanged();
+
+  if (delegate_)
+    delegate_->ViewReinitializedForProfileChange();
 }
 
 void AppListView::AddObserver(AppListViewObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListView::RemoveObserver(AppListViewObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
@@ skipping 109 matching lines @@
   // On platforms that don't support a shadow, the rounded border of the app
   // list is constructed _inside_ the view, so a rectangular background goes
   // over the border in the rounded corners. To fix this, give the background a
   // corner radius 1px smaller than the outer border, so it just reaches but
   // doesn't cover it.
   const int kOverlayCornerRadius =
       GetBubbleFrameView()->bubble_border()->GetBorderCornerRadius();
   overlay_view_->set_background(new AppListOverlayBackground(
       kOverlayCornerRadius - (SupportsShadow() ? 0 : 1)));
   AddChildView(overlay_view_);
 

[Matt Giuca, 2014/11/03 00:57:42]

Why did this go away?

[calamity, 2014/11/06 02:36:32]

It's back. From outer space.

-  if (delegate_)
-    delegate_->ViewInitialized();
-
   UMA_HISTOGRAM_TIMES("Apps.AppListCreationTime",
                       base::Time::Now() - start_time);
 }
 
 void AppListView::OnBeforeBubbleWidgetInit(
     views::Widget::InitParams* params,
     views::Widget* widget) const {
 #if defined(USE_AURA) && !defined(OS_CHROMEOS)
   if (delegate_ && delegate_->ForceNativeDesktop())
     params->native_widget = new views::DesktopNativeWidgetAura(widget);
@@ skipping 169 matching lines @@
       speech_view_->layer()->SetTransform(speech_transform);
   }
 
   if (will_appear)
     speech_view_->SetVisible(true);
   else
     app_list_main_view_->SetVisible(true);
 }
 
 }  // namespace app_list