[Android] Select text when stylus first button is pressed.

content/browser/renderer_host/input/motion_event_web.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 "content/browser/renderer_host/input/motion_event_web.h"
 
 #include "base/logging.h"
 #include "content/common/input/web_touch_event_traits.h"
 
 using blink::WebInputEvent;
@@ skipping 125 matching lines @@
   NOTIMPLEMENTED();
   return 0.f;
 }
 
 float MotionEventWeb::GetHistoricalY(size_t pointer_index,
                                      size_t historical_index) const {
   NOTIMPLEMENTED();
   return 0.f;
 }
 
+int MotionEventWeb::GetSource() const {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
+int MotionEventWeb::GetButtonState() const {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
 scoped_ptr<ui::MotionEvent> MotionEventWeb::Clone() const {
   return scoped_ptr<MotionEvent>(new MotionEventWeb(event_));
 }
 
 scoped_ptr<ui::MotionEvent> MotionEventWeb::Cancel() const {
   WebTouchEvent cancel_event(event_);
   WebTouchEventTraits::ResetTypeAndTouchStates(
       blink::WebInputEvent::TouchCancel,
       // TODO(rbyers): Shouldn't we use a fresh timestamp?
       event_.timeStampSeconds,
       &cancel_event);
   return scoped_ptr<MotionEvent>(new MotionEventWeb(cancel_event));
 }
 
 }  // namespace content