Get rid of a couple NOTIMPLEMENTED()s.

chrome/browser/renderer_host/render_widget_host_view_gtk.cc

 // Copyright (c) 2006-2008 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 "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <cairo/cairo.h>
@@ skipping 352 matching lines @@
     // Only render the widget if it is attached to a window; there's a short
     // period where this object isn't attached to a window but hasn't been
     // Destroy()ed yet and it receives paint messages...
     if (window) {
       backing_store->ShowRect(
           invalid_rect_, x11_util::GetX11WindowFromGtkWidget(view_.get()));
     }
   } else {
     if (window)
       gdk_window_clear(window);
-    NOTIMPLEMENTED();
   }
 }
 
 void RenderWidgetHostViewGtk::ShowCurrentCursor() {
   // The widget may not have a window. If that's the case, abort mission. This
   // is the same issue as that explained above in Paint().
   if (!view_.get()->window)
     return;
 
   GdkCursor* gdk_cursor;
@@ skipping 35 matching lines @@
 void RenderWidgetHostViewGtk::ReceivedSelectionText(GtkClipboard* clipboard,
     const gchar* text, gpointer userdata) {
   // If there's nothing to paste (|text| is NULL), do nothing.
   if (!text)
     return;
   RenderWidgetHostViewGtk* host_view =
       reinterpret_cast<RenderWidgetHostViewGtk*>(userdata);
   host_view->host_->Send(new ViewMsg_InsertText(host_view->host_->routing_id(),
                                                 UTF8ToUTF16(text)));
 }