Revert 247589 "<webview>: Fix text selection features in mac."

trunk/src/content/browser/frame_host/render_widget_host_view_guest.cc

Index: trunk/src/content/browser/frame_host/render_widget_host_view_guest.cc
===================================================================
--- trunk/src/content/browser/frame_host/render_widget_host_view_guest.cc	(revision 247721)
+++ trunk/src/content/browser/frame_host/render_widget_host_view_guest.cc	(working copy)
@@ -161,10 +161,6 @@
   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);
@@ -336,7 +332,12 @@
 void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text,
                                                  size_t offset,
                                                  const gfx::Range& range) {
-  platform_view_->SelectionChanged(text, offset, range);
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  // Forward the information to embedding RWHV.
+  rwhv->SelectionChanged(text, offset, range);
 }
 
 void RenderWidgetHostViewGuest::SelectionBoundsChanged(