WIP: Plumbing through text selection granularity control support

ui/touch_selection/touch_selection_controller.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 "ui/touch_selection/touch_selection_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
 
 namespace ui {
@@ skipping 237 matching lines @@
                                                   const gfx::PointF& position) {
   // As the position corresponds to the bottom left point of the selection
   // bound, offset it by half the corresponding line height.
   gfx::Vector2dF line_offset = &handle == end_selection_handle_.get()
                                    ? GetStartLineOffset()
                                    : GetEndLineOffset();
   gfx::PointF line_position = position + line_offset;
   if (&handle == insertion_handle_.get()) {
     client_->MoveCaret(line_position);
   } else {
-    client_->MoveRangeSelectionExtent(line_position);
+    client_->MoveRangeSelectionExtent(line_position, ui::CHARACTER_GRANULARITY);
   }
 }
 
 void TouchSelectionController::OnHandleDragEnd(const TouchHandle& handle) {
   if (&handle != insertion_handle_.get())
     client_->OnSelectionEvent(SELECTION_DRAG_STOPPED, handle.position());
 }
 
 void TouchSelectionController::OnHandleTapped(const TouchHandle& handle) {
   if (insertion_handle_ && &handle == insertion_handle_.get())
@@ skipping 165 matching lines @@
 }
 
 TouchHandle::AnimationStyle TouchSelectionController::GetAnimationStyle(
     bool was_active) const {
   return was_active && client_->SupportsAnimation()
              ? TouchHandle::ANIMATION_SMOOTH
              : TouchHandle::ANIMATION_NONE;
 }
 
 }  // namespace ui