Add method to TouchSelectionController to check if a handle is currently being

ui/views/touchui/touch_selection_controller_impl_unittest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/touch/touch_editing_controller.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
@@ skipping 60 matching lines @@
   }
 
   void SimulateSelectionHandleDrag(gfx::Point p, int selection_handle) {
     TouchSelectionControllerImpl* controller = GetSelectionController();
     // Do the work of OnMousePressed().
     if (selection_handle == 1)
       controller->SetDraggingHandle(controller->selection_handle_1_.get());
     else
       controller->SetDraggingHandle(controller->selection_handle_2_.get());
 
+    // Offset the drag position by the selection handle radius since it is
+    // supposed to be in the coordinate system of the handle.
+    p.Offset(10, 0);
     controller->SelectionHandleDragged(p);
 
     // Do the work of OnMouseReleased().
     controller->dragging_handle_ = NULL;
   }
 
   gfx::Point GetSelectionHandle1Position() {
     return GetSelectionController()->GetSelectionHandle1Position();
   }
 
@@ skipping 303 matching lines @@
   VERIFY_HANDLE_POSITIONS(true);
 
   // Drag selection handle 2 to right by 1 char.
   x = textfield_->font().GetStringWidth(WideToUTF16(L"\x05e2"));
   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
   EXPECT_EQ(WideToUTF16(L"c\x05e1"), textfield_->GetSelectedText());
   VERIFY_HANDLE_POSITIONS(false);
 }
 
 }  // namespace views