Revert 285832 "Disable accessible touch exploration by default."

trunk/src/chrome/browser/chromeos/accessibility/touch_exploration_controller_browsertest.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/chromeos/touch_exploration_controller.h"
 
 #include "ash/accessibility_delegate.h"
-#include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
-#include "base/command_line.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/time.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/test/browser_test_utils.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/test/draw_waiter_for_test.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/events/test/test_event_handler.h"
 
 namespace ui {
 
 class TouchExplorationTest : public InProcessBrowserTest {
  public:
   TouchExplorationTest() : simulated_clock_(new base::SimpleTestTickClock()) {
     // Tests fail if time is ever 0.
     simulated_clock_->Advance(base::TimeDelta::FromMilliseconds(10));
   }
   virtual ~TouchExplorationTest() {}
 
  protected:
-  virtual void SetUpCommandLine(base::CommandLine* command_line) OVERRIDE {
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        ash::switches::kAshEnableTouchExplorationMode);
-  }
-
   virtual void SetUpOnMainThread() OVERRIDE {
     // The RenderView for WebContents is created as a result of the
     // navigation to the New Tab page which is done as part of the test
     // SetUp. The creation involves sending a resize message to the renderer
     // process. Here we wait for the resize ack to be received, because
     // currently WindowEventDispatcher has code to hold touch and mouse
     // move events until resize is complete (crbug.com/384342) which
     // interferes with this test.
     content::WebContents* web_contents =
         browser()->tab_strip_model()->GetActiveWebContents();
@@ skipping 133 matching lines @@
 
   // Continuing to move the touch exploration finger should send more mouse
   // events.
   generator.MoveTouchId(gfx::Point(509, 609), 1);
   EXPECT_EQ(0, event_handler_->num_touch_events());
   EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client->IsCursorVisible());
 }
 
 }  // namespace ui