Add ExtendSelectionAndDelete() method to ui::TextInputClient.

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index a590fd7651d3557fdba3279b0a49084723275d96..afcd0689a4381d81bffe27ce6ab4c0c09d7917bf 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -1166,6 +1166,12 @@ bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
   return true;
 }
 
+void RenderWidgetHostViewAura::ExtendSelectionAndDelete(int before, int after) {
+  // TODO(horo): implement this method if it is required.
+  // http://crbug.com/149155
+  NOTIMPLEMENTED();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, aura::WindowDelegate implementation: