Selecting an app window from the overview mode maximizes the window only if it's maximizable

athena/activity/activity_widget_delegate.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/activity/activity_widget_delegate.h"
 
 #include "athena/activity/activity_frame_view.h"
 #include "athena/activity/public/activity_view_model.h"
 #include "ui/views/view.h"
 #include "ui/views/window/client_view.h"
 
 namespace athena {
 
 ActivityWidgetDelegate::ActivityWidgetDelegate(ActivityViewModel* view_model)
     : view_model_(view_model) {
 }
 
 ActivityWidgetDelegate::~ActivityWidgetDelegate() {
 }
 
+bool ActivityWidgetDelegate::CanResize() const {
+  return true;
+}
+
+bool ActivityWidgetDelegate::CanMaximize() const {
+  return true;
+}
+
+bool ActivityWidgetDelegate::CanMinimize() const {
+  return true;
+}
+
 base::string16 ActivityWidgetDelegate::GetWindowTitle() const {
   return view_model_->GetTitle();
 }
 
 void ActivityWidgetDelegate::DeleteDelegate() {
   delete this;
 }
 
 views::Widget* ActivityWidgetDelegate::GetWidget() {
   return GetContentsView()->GetWidget();
@@ skipping 11 matching lines @@
     views::Widget* widget) {
   return new views::ClientView(widget, view_model_->GetContentsView());
 }
 
 views::NonClientFrameView* ActivityWidgetDelegate::CreateNonClientFrameView(
     views::Widget* widget) {
   return new ActivityFrameView(widget, view_model_);
 }
 
 }  // namespace athena