Revert 137549 because it broke win_aura and linux_chromeos_clang compile.

ash/touch/touch_observer_hud.cc

Index: ash/touch/touch_observer_hud.cc
===================================================================
--- ash/touch/touch_observer_hud.cc	(revision 137550)
+++ ash/touch/touch_observer_hud.cc	(working copy)
@@ -1,112 +0,0 @@
-// 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 "ash/touch/touch_observer_hud.h"
-
-#include "ash/shell_window_ids.h"
-#include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
-#include "ui/aura/event.h"
-#include "ui/views/background.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-namespace internal {
-
-TouchObserverHUD::TouchObserverHUD() {
-  views::View* content = new views::View;
-  content->SetLayoutManager(new views::BoxLayout(
-      views::BoxLayout::kVertical, 0, 0, 0));
-
-  for (int i = 0; i < kMaxTouchPoints; ++i) {
-    touch_status_[i] = ui::ET_UNKNOWN;
-    touch_labels_[i] = new views::Label;
-    touch_labels_[i]->SetBackgroundColor(SkColorSetARGB(0, 255, 255, 255));
-    touch_labels_[i]->SetShadowColors(SK_ColorWHITE,
-                                      SK_ColorWHITE);
-    touch_labels_[i]->SetShadowOffset(1, 1);
-    touch_labels_[i]->SetVisible(false);
-    content->AddChildView(touch_labels_[i]);
-  }
-
-  widget_.reset(new views::Widget());
-  views::Widget::InitParams
-      params(views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  params.transparent = true;
-  params.can_activate = false;
-  params.bounds = gfx::Rect(content->GetPreferredSize());
-  params.parent = Shell::GetInstance()->GetContainer(
-      internal::kShellWindowId_OverlayContainer);
-  widget_->Init(params);
-  widget_->SetContentsView(content);
-  widget_->StackAtTop();
-  widget_->Show();
-}
-
-TouchObserverHUD::~TouchObserverHUD() {}
-
-void TouchObserverHUD::UpdateTouchPointLabel(int index) {
-  const char* status = NULL;
-  switch (touch_status_[index]) {
-    case ui::ET_UNKNOWN:
-      status = " ";
-      break;
-    case ui::ET_TOUCH_PRESSED:
-      status = "P";
-      break;
-    case ui::ET_TOUCH_MOVED:
-      status = "M";
-      break;
-    case ui::ET_TOUCH_RELEASED:
-      status = "R";
-      break;
-    case ui::ET_TOUCH_CANCELLED:
-      status = "C";
-      break;
-    default:
-      status = "?";
-      break;
-  }
-  std::string string = base::StringPrintf("%2d: %s %s",
-      index, status, touch_positions_[index].ToString().c_str());
-  touch_labels_[index]->SetText(UTF8ToUTF16(string));
-}
-
-bool TouchObserverHUD::PreHandleKeyEvent(aura::Window* target,
-                                         aura::KeyEvent* event) OVERRIDE {
-  return false;
-}
-
-bool TouchObserverHUD::PreHandleMouseEvent(aura::Window* target,
-                                           aura::MouseEvent* event) OVERRIDE {
-  return false;
-}
-
-ui::TouchStatus TouchObserverHUD::PreHandleTouchEvent(
-    aura::Window* target,
-    aura::TouchEvent* event) OVERRIDE {
-  if (event->touch_id() >= kMaxTouchPoints)
-    return ui::TOUCH_STATUS_UNKNOWN;
-
-  if (event->type() != ui::ET_TOUCH_CANCELLED)
-    touch_positions_[event->touch_id()] = event->root_location();
-  touch_status_[event->touch_id()] = event->type();
-  touch_labels_[event->touch_id()]->SetVisible(true);
-  UpdateTouchPointLabel(event->touch_id());
-
-  widget_->SetSize(widget_->GetContentsView()->GetPreferredSize());
-
-  return ui::TOUCH_STATUS_UNKNOWN;
-}
-
-ui::GestureStatus TouchObserverHUD::PreHandleGestureEvent(
-    aura::Window* target,
-    aura::GestureEvent* event) OVERRIDE {
-  return ui::GESTURE_STATUS_UNKNOWN;
-}
-
-}  // namespace internal
-}  // namespace ash