Don't use drag to corner resizing for unresizable windows

ui/views/widget/native_widget_aura.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/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_change_observer.h"
@@ skipping 143 matching lines @@
   drop_helper_.reset(new DropHelper(GetWidget()->GetRootView()));
   if (params.type != Widget::InitParams::TYPE_TOOLTIP &&
       params.type != Widget::InitParams::TYPE_POPUP) {
     aura::client::SetDragDropDelegate(window_, this);
   }
 
   aura::client::SetActivationDelegate(window_, this);
 
   window_->SetProperty(aura::client::kCanMaximizeKey,
                        GetWidget()->widget_delegate()->CanMaximize());
+  window_->SetProperty(aura::client::kCanResizeKey,
+                       GetWidget()->widget_delegate()->CanResize());
 }
 
 NonClientFrameView* NativeWidgetAura::CreateNonClientFrameView() {
   return NULL;
 }
 
 bool NativeWidgetAura::ShouldUseNativeFrame() const {
   // There is only one frame type for aura.
   return false;
 }
@@ skipping 828 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views