Reland: Move TouchSelectionController from content to ui

ui/touch_selection/touch_handle_unittest.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/touch_handle.h"
+#include "ui/touch_selection/touch_handle.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/test/motion_event_test_utils.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 using ui::test::MockMotionEvent;
 
-namespace content {
+namespace ui {
 namespace {
 
 const int kDefaultTapTimeoutMs = 200;
 const float kDefaultTapSlop = 10.f;
 const float kDefaultDrawableSize = 10.f;
 
 struct MockDrawableData {
   MockDrawableData()
       : orientation(TOUCH_HANDLE_ORIENTATION_UNDEFINED),
         alpha(0.f),
@@ skipping 458 matching lines @@
   event_time += GetTapTimeout() / 2;
   event = MockMotionEvent(
       MockMotionEvent::ACTION_MOVE, event_time, kDefaultTapSlop * 2.f, 0);
   EXPECT_TRUE(handle.WillHandleTouchEvent(event));
   event = MockMotionEvent(
       MockMotionEvent::ACTION_UP, event_time, kDefaultTapSlop * 2.f, 0);
   EXPECT_TRUE(handle.WillHandleTouchEvent(event));
   EXPECT_FALSE(GetAndResetHandleTapped());
 }
 
-}  // namespace content
+}  // namespace ui