Introduce content::RenderWidgetHostViewPort (in content/port/browser).

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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_view_mac.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 202 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewMac(widget);
 }
 
 // static
-void RenderWidgetHostViewBase::GetDefaultScreenInfo(
+void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   *results = WebKit::WebScreenInfoFactory::screenInfo(NULL);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewMac, public:
 
 RenderWidgetHostViewMac::RenderWidgetHostViewMac(RenderWidgetHost* widget)
     : render_widget_host_(widget),
       about_to_validate_and_paint_(false),
@@ skipping 448 matching lines @@
   [cocoa_view_ setSelectedRange:range.ToNSRange()];
   // Updaes markedRange when there is no marked text so that retrieving
   // markedRange immediately after calling setMarkdText: returns the current
   // caret position.
   if (![cocoa_view_ hasMarkedText]) {
     [cocoa_view_ setMarkedRange:range.ToNSRange()];
   }
 }
 
 void RenderWidgetHostViewMac::SetShowingContextMenu(bool showing) {
-  RenderWidgetHostViewBase::SetShowingContextMenu(showing);
+  content::RenderWidgetHostViewBase::SetShowingContextMenu(showing);
 
   // If the menu was closed, restore the cursor to the saved version initially,
   // as the renderer will not re-send it if there was no change.
   if (!showing)
     UpdateCursorIfNecessary();
 
   // Create a fake mouse event to inform the render widget that the mouse
   // left or entered.
   NSWindow* window = [cocoa_view_ window];
   // TODO(asvitkine): If the location outside of the event stream doesn't
@@ skipping 404 matching lines @@
 
 void RenderWidgetHostViewMac::WindowFrameChanged() {
   if (render_widget_host_) {
     render_widget_host_->Send(new ViewMsg_WindowFrameChanged(
         render_widget_host_->routing_id(), GetRootWindowBounds(),
         GetViewBounds()));
   }
 }
 
 void RenderWidgetHostViewMac::SetBackground(const SkBitmap& background) {
-  RenderWidgetHostViewBase::SetBackground(background);
+  content::RenderWidgetHostViewBase::SetBackground(background);
   if (render_widget_host_)
     render_widget_host_->Send(new ViewMsg_SetBackground(
         render_widget_host_->routing_id(), background));
 }
 
 void RenderWidgetHostViewMac::OnAccessibilityNotifications(
     const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
   if (!GetBrowserAccessibilityManager()) {
     SetBrowserAccessibilityManager(
         BrowserAccessibilityManager::CreateEmptyDocument(
@@ skipping 1635 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end