MacViews: Extend TextInputClient protocol with support for editing commands.

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 d9a18c77fe85bf74b794610b2666fafc126f6397..470bae2d9824ebe5ec2984a574c2e21c51b6d05b 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -1589,6 +1589,13 @@ void RenderWidgetHostViewAura::OnCandidateWindowHidden() {
   host_->CandidateWindowHidden();
 }
 
+bool RenderWidgetHostViewAura::IsEditingCommandEnabled(int command_id) {
+  return false;
+}
+
+void RenderWidgetHostViewAura::ExecuteEditingCommand(int command_id) {
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, gfx::DisplayObserver implementation: