Reland r247589:<webview>: Fix text selection features in mac.

content/browser/frame_host/render_widget_host_view_guest.cc

 // Copyright 2014 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/frame_host/render_widget_host_view_guest.h"
@@ skipping 143 matching lines @@
   // The RenderWidgetHost's destruction led here, so don't call it.
   DestroyGuestView();
 
   platform_view_->Destroy();
 }
 
 gfx::Size RenderWidgetHostViewGuest::GetPhysicalBackingSize() const {
   return RenderWidgetHostViewBase::GetPhysicalBackingSize();
 }
 
+base::string16 RenderWidgetHostViewGuest::GetSelectedText() const {
+  return platform_view_->GetSelectedText();
+}
+
 void RenderWidgetHostViewGuest::SetTooltipText(
     const base::string16& tooltip_text) {
   platform_view_->SetTooltipText(tooltip_text);
 }
 
 void RenderWidgetHostViewGuest::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
   // If accelerated surface buffers are getting swapped then we're not using
   // the software path.
@@ skipping 151 matching lines @@
     const gfx::Rect& scroll_rect,
     const gfx::Vector2d& scroll_delta,
     const std::vector<gfx::Rect>& copy_rects,
     const std::vector<ui::LatencyInfo>& latency_info) {
   NOTREACHED();
 }
 
 void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text,
                                                  size_t offset,
                                                  const gfx::Range& range) {
-  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
-      guest_->GetEmbedderRenderWidgetHostView());
-  if (!rwhv)
-    return;
-  // Forward the information to embedding RWHV.
-  rwhv->SelectionChanged(text, offset, range);
+  platform_view_->SelectionChanged(text, offset, range);
 }
 
 void RenderWidgetHostViewGuest::SelectionBoundsChanged(
     const ViewHostMsg_SelectionBounds_Params& params) {
   RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
       guest_->GetEmbedderRenderWidgetHostView());
   if (!rwhv)
     return;
   ViewHostMsg_SelectionBounds_Params guest_params(params);
   guest_params.anchor_rect = guest_->ToGuestRect(params.anchor_rect);
@@ skipping 201 matching lines @@
     return;
   for (ui::GestureRecognizer::Gestures::iterator g_it = gestures->begin();
       g_it != gestures->end();
       ++g_it) {
     ForwardGestureEventToRenderer(*g_it);
   }
 }
 
 
 }  // namespace content