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

content/browser/renderer_host/render_widget_host_view_gtk.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_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 86 matching lines @@
 }
 
 bool MovedToCenter(const WebKit::WebMouseEvent& mouse_event,
                    const gfx::Point& center) {
   return mouse_event.globalX == center.x() &&
          mouse_event.globalY == center.y();
 }
 
 }  // namespace
 
+using content::RenderWidgetHostViewPort;
 using WebKit::WebInputEventFactory;
 using WebKit::WebMouseWheelEvent;
 
 // This class is a simple convenience wrapper for Gtk functions. It has only
 // static methods.
 class RenderWidgetHostViewGtkWidget {
  public:
   static GtkWidget* CreateNewWidget(RenderWidgetHostViewGtk* host_view) {
     GtkWidget* widget = gtk_preserve_window_new();
     gtk_widget_set_name(widget, "chrome-render-widget-host-view");
@@ skipping 783 matching lines @@
                                 UTF16ToUTF8(clamped_tooltip).c_str());
 #if defined(OS_CHROMEOS)
     tooltip_window_->SetTooltipText(clamped_tooltip);
 #endif  // defined(OS_CHROMEOS)
   }
 }
 
 void RenderWidgetHostViewGtk::SelectionChanged(const string16& text,
                                                size_t offset,
                                                const ui::Range& range) {
-  RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
+  content::RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
 
   if (text.empty() || range.is_empty())
     return;
   size_t pos = range.GetMin() - offset;
   size_t n = range.length();
 
   DCHECK(pos + n <= text.length()) << "The text can not fully cover range.";
   if (pos >= text.length()) {
     NOTREACHED() << "The text can not cover range.";
     return;
@@ skipping 99 matching lines @@
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
     int gpu_host_id) {
   RenderWidgetHost::AcknowledgePostSubBuffer(params.route_id, gpu_host_id);
 }
 
 void RenderWidgetHostViewGtk::AcceleratedSurfaceSuspend() {
 }
 
 
 void RenderWidgetHostViewGtk::SetBackground(const SkBitmap& background) {
-  RenderWidgetHostViewBase::SetBackground(background);
+  content::RenderWidgetHostViewBase::SetBackground(background);
   host_->Send(new ViewMsg_SetBackground(host_->routing_id(), background));
 }
 
 void RenderWidgetHostViewGtk::ModifyEventForEdgeDragging(
     GtkWidget* widget, GdkEventMotion* event) {
   // If the widget is aligned with an edge of the monitor its on and the user
   // attempts to drag past that edge we track the number of times it has
   // occurred, so that we can force the widget to scroll when it otherwise
   // would be unable to, by modifying the (x,y) position in the drag
   // event that we forward on to webkit. If we get a move that's no longer a
@@ skipping 361 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewGtk(widget);
 }
 
 // static
-void RenderWidgetHostViewBase::GetDefaultScreenInfo(
+void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }