Add WebContentObserver::OnWebContentsLostFocus()

content/browser/renderer_host/render_widget_host_impl.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 "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <tuple>
@@ skipping 782 matching lines @@
   focused_widget->SetPageFocus(true);
 }
 
 void RenderWidgetHostImpl::Blur() {
   RenderWidgetHostImpl* focused_widget =
       delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr;
 
   if (!focused_widget)
     focused_widget = this;
   focused_widget->SetPageFocus(false);
+  if (owner_delegate_)
+    owner_delegate_->RenderWidgetLostFocus();
+  if (delegate_)
+    delegate_->RenderWidgetLostFocus(this);
 }
 
 void RenderWidgetHostImpl::SetPageFocus(bool focused) {
   is_focused_ = focused;
 
   if (!focused) {
     // If there is a pending mouse lock request, we don't want to reject it at
     // this point. The user can switch focus back to this view and approve the
     // request later.
     if (IsMouseLocked())
@@ skipping 1832 matching lines @@
   RenderProcessHost* rph = GetProcess();
   for (std::vector<IPC::Message>::const_iterator i = messages.begin();
        i != messages.end(); ++i) {
     rph->OnMessageReceived(*i);
     if (i->dispatch_error())
       rph->OnBadMessageReceived(*i);
   }
 }
 
 }  // namespace content