Fix DCHECK failure in RenderWidgetHostViewAura::InsertText()

ui/base/ime/input_method_auralinux.cc

 // Copyright 2013 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 "ui/base/ime/input_method_auralinux.h"
 
 #include "base/environment.h"
 #include "ui/base/ime/linux/linux_input_method_context_factory.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
@@ skipping 133 matching lines @@
 }
 
 bool InputMethodAuraLinux::IsCandidatePopupOpen() const {
   // There seems no way to detect candidate windows or any popups.
   return false;
 }
 
 // Overriden from ui::LinuxInputMethodContextDelegate
 
 void InputMethodAuraLinux::OnCommit(const base::string16& text) {
-  TextInputClient* text_input_client = GetTextInputClient();
-  if (text_input_client)
-    text_input_client->InsertText(text);
+  if (!IsTextInputTypeNone())
+    GetTextInputClient()->InsertText(text);
 }
 
 void InputMethodAuraLinux::OnPreeditChanged(
     const CompositionText& composition_text) {
   TextInputClient* text_input_client = GetTextInputClient();
   if (text_input_client)
     text_input_client->SetCompositionText(composition_text);
 }
 
 void InputMethodAuraLinux::OnPreeditEnd() {
@@ skipping 10 matching lines @@
     TextInputClient* focused_before,
     TextInputClient* focused) {
   input_method_context_->Reset();
   input_method_context_->OnTextInputTypeChanged(
       focused ? focused->GetTextInputType() : TEXT_INPUT_TYPE_NONE);
 
   InputMethodBase::OnDidChangeFocusedClient(focused_before, focused);
 }
 
 }  // namespace ui