Test for BrowserPlugin-based WebView Focus

content/browser/frame_host/render_widget_host_view_child_frame.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 "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
@@ skipping 27 matching lines @@
 
 namespace content {
 
 RenderWidgetHostViewChildFrame::RenderWidgetHostViewChildFrame(
     RenderWidgetHost* widget_host)
     : host_(RenderWidgetHostImpl::From(widget_host)),
       next_surface_sequence_(1u),
       last_output_surface_id_(0),
       current_surface_scale_factor_(1.f),
       ack_pending_count_(0),
+      surface_frame_count_(0),
       frame_connector_(nullptr),
       begin_frame_source_(nullptr),
       observing_begin_frame_source_(false),
       parent_surface_id_namespace_(0),
       weak_factory_(this) {
   id_allocator_ = CreateSurfaceIdAllocator();
   RegisterSurfaceNamespaceId();
 
   host_->SetView(this);
 }
@@ skipping 287 matching lines @@
   // forward GestureScrollUpdate.
   if (frame_connector_ &&
       event.type == blink::WebInputEvent::GestureScrollUpdate && not_consumed)
     frame_connector_->BubbleScrollEvent(event);
 }
 
 void RenderWidgetHostViewChildFrame::SurfaceDrawn(uint32_t output_surface_id,
                                                   cc::SurfaceDrawStatus drawn) {
   cc::CompositorFrameAck ack;
   DCHECK_GT(ack_pending_count_, 0U);
+
+  surface_frame_count_++;
+
   if (!surface_returned_resources_.empty())
     ack.resources.swap(surface_returned_resources_);
   if (host_) {
     host_->Send(new ViewMsg_SwapCompositorFrameAck(host_->GetRoutingID(),
                                                    output_surface_id, ack));
   }
   ack_pending_count_--;
 }
 
 void RenderWidgetHostViewChildFrame::OnSwapCompositorFrame(
@@ skipping 312 matching lines @@
 RenderWidgetHostViewChildFrame::CreateBrowserAccessibilityManager(
     BrowserAccessibilityDelegate* delegate, bool for_root_frame) {
   return BrowserAccessibilityManager::Create(
       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
 }
 
 void RenderWidgetHostViewChildFrame::ClearCompositorSurfaceIfNecessary() {
   if (surface_factory_ && !surface_id_.is_null())
     surface_factory_->Destroy(surface_id_);
   surface_id_ = cc::SurfaceId();
+  surface_frame_count_ = 0;
 }
 
 bool RenderWidgetHostViewChildFrame::IsChildFrameForTesting() const {
   return true;
 }
 
 cc::SurfaceId RenderWidgetHostViewChildFrame::SurfaceIdForTesting() const {
   return surface_id_;
 };
 
 }  // namespace content