Remove lots of old blur plumbing.

content/browser/renderer_host/render_view_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_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1247 matching lines @@
 blink::WebDisplayMode RenderViewHostImpl::GetDisplayMode() const {
   return delegate_->GetDisplayMode();
 }
 
 void RenderViewHostImpl::OnFocus() {
   // Note: We allow focus and blur from swapped out RenderViewHosts, even when
   // the active RenderViewHost is in a different BrowsingInstance (e.g., WebUI).
   delegate_->Activate();
 }
 
-void RenderViewHostImpl::OnBlur() {
-  delegate_->Deactivate();
-}
-
 gfx::Rect RenderViewHostImpl::GetRootWindowResizerRect() const {
   return delegate_->GetRootWindowResizerRect();
 }
 
 void RenderViewHostImpl::ForwardMouseEvent(
     const blink::WebMouseEvent& mouse_event) {
   RenderWidgetHostImpl::ForwardMouseEvent(mouse_event);
   if (mouse_event.type == WebInputEvent::MouseWheel && ignore_input_events())
     delegate_->OnIgnoredUIEvent();
 }
@@ skipping 184 matching lines @@
   } else {
     render_view_ready_on_process_launch_ = true;
   }
 }
 
 void RenderViewHostImpl::RenderViewReady() {
   delegate_->RenderViewReady(this);
 }
 
 }  // namespace content