Reland: Implement Aura side of unified touch text selection for contents

ui/touch_selection/touch_selection_controller_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 "ui/touch_selection/touch_selection_controller.h"
 
 #include <vector>
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/test/motion_event_test_utils.h"
+#include "ui/touch_selection/touch_selection_controller_test_api.h"
 
 using testing::ElementsAre;
 using testing::IsEmpty;
 using ui::test::MockMotionEvent;
 
 namespace ui {
 namespace {
 
 const int kDefaultTapTimeoutMs = 200;
 const float kDefaulTapSlop = 10.f;
@@ skipping 14 matching lines @@
   }
 
  private:
   bool* intersects_rect_;
 
   DISALLOW_COPY_AND_ASSIGN(MockTouchHandleDrawable);
 };
 
 }  // namespace
 
-class TouchSelectionControllerTestApi {
- public:
-  explicit TouchSelectionControllerTestApi(TouchSelectionController* controller)
-      : controller_(controller) {}
-  ~TouchSelectionControllerTestApi() {}
-
-  bool GetStartVisible() const { return controller_->GetStartVisible(); }
-  bool GetEndVisible() const { return controller_->GetEndVisible(); }
-
- private:
-  TouchSelectionController* controller_;
-
-  DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerTestApi);
-};
-
 class TouchSelectionControllerTest : public testing::Test,
                                      public TouchSelectionControllerClient {
  public:
   TouchSelectionControllerTest()
       : caret_moved_(false),
         selection_moved_(false),
         selection_points_swapped_(false),
         needs_animate_(false),
         animation_enabled_(true),
         dragging_enabled_(false) {}
@@ skipping 1219 matching lines @@
   EXPECT_EQ(gfx::RectF(6, 5, 44, 10), controller().GetRectBetweenBounds());
   EXPECT_EQ(GetLastEventBoundsRect(), controller().GetRectBetweenBounds());
 
   ClearSelection();
   ASSERT_THAT(GetAndResetEvents(),
               ElementsAre(SELECTION_DISSOLVED, SELECTION_HANDLES_CLEARED));
   EXPECT_EQ(gfx::RectF(), controller().GetRectBetweenBounds());
 }
 
 }  // namespace ui