aura: Ask the WindowDelegate before a Window is Focus()ed.

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/logging.h"
 #include "content/browser/renderer_host/backing_store_skia.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/browser/renderer_host/web_input_event_aura.h"
@@ skipping 513 matching lines @@
     UpdateWebTouchEventAfterDispatch(&touch_event_, point);
   }
 
   return DecideTouchStatus(touch_event_, point);
 }
 
 bool RenderWidgetHostViewAura::ShouldActivate(aura::Event* event) {
   return false;
 }
 
+bool RenderWidgetHostViewAura::CanFocus() {
+  return popup_type_ == WebKit::WebPopupTypeNone;
+}
+
 void RenderWidgetHostViewAura::OnActivated() {
 }
 
 void RenderWidgetHostViewAura::OnLostActive() {
 }
 
 void RenderWidgetHostViewAura::OnCaptureLost() {
   host_->LostCapture();
 }
 
@@ skipping 60 matching lines @@
 // static
 void RenderWidgetHostView::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   const gfx::Size size = gfx::Screen::GetPrimaryMonitorSize();
   results->rect = WebKit::WebRect(0, 0, size.width(), size.height());
   results->availableRect = results->rect;
   // TODO(derat): Don't hardcode this?
   results->depth = 24;
   results->depthPerComponent = 8;
 }