Convert string16 to base::string16 in content.

content/browser/renderer_host/render_widget_host_view_guest.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 "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 151 matching lines @@
   DestroyGuestView();
 }
 
 void RenderWidgetHostViewGuest::Destroy() {
   // The RenderWidgetHost's destruction led here, so don't call it.
   DestroyGuestView();
 
   platform_view_->Destroy();
 }
 
-void RenderWidgetHostViewGuest::SetTooltipText(const string16& tooltip_text) {
+void RenderWidgetHostViewGuest::SetTooltipText(
+    const base::string16& tooltip_text) {
   platform_view_->SetTooltipText(tooltip_text);
 }
 
 void RenderWidgetHostViewGuest::AcceleratedSurfaceInitialized(int host_id,
                                                               int route_id) {
 }
 
 void RenderWidgetHostViewGuest::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
@@ skipping 134 matching lines @@
 #endif
 
 void RenderWidgetHostViewGuest::DidUpdateBackingStore(
     const gfx::Rect& scroll_rect,
     const gfx::Vector2d& scroll_delta,
     const std::vector<gfx::Rect>& copy_rects,
     const ui::LatencyInfo& latency_info) {
   NOTREACHED();
 }
 
-void RenderWidgetHostViewGuest::SelectionChanged(const string16& text,
+void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text,
                                                  size_t offset,
                                                  const gfx::Range& range) {
   platform_view_->SelectionChanged(text, offset, range);
 }
 
 void RenderWidgetHostViewGuest::SelectionBoundsChanged(
     const ViewHostMsg_SelectionBounds_Params& params) {
   platform_view_->SelectionBoundsChanged(params);
 }
 
@@ skipping 250 matching lines @@
     return;
   for (ui::GestureRecognizer::Gestures::iterator g_it = gestures->begin();
       g_it != gestures->end();
       ++g_it) {
     ForwardGestureEventToRenderer(*g_it);
   }
 }
 
 
 }  // namespace content