Touch event flag should control only DOM event firing.

content/browser/renderer_host/input/touch_input_browsertest.cc

 // Copyright 2013 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/auto_reset.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 98 matching lines @@
     NavigateToURL(shell(), data_url);
 
     RenderWidgetHostImpl* host = GetWidgetHost();
     host->GetView()->SetSize(gfx::Size(400, 400));
 
     // The page is loaded in the renderer, wait for a new frame to arrive.
     while (!host->ScheduleComposite())
       GiveItSomeTime();
   }
 
-  void SetUpCommandLine(base::CommandLine* cmd) override {
-    cmd->AppendSwitchASCII(switches::kTouchEvents,
-                           switches::kTouchEventsEnabled);
-  }
 };
 
 #if defined(OS_MACOSX)
 // TODO(ccameron): Failing on mac: crbug.com/346363
 #define MAYBE_TouchNoHandler DISABLED_TouchNoHandler
 #else
 #define MAYBE_TouchNoHandler TouchNoHandler
 #endif
 IN_PROC_BROWSER_TEST_F(TouchInputBrowserTest, MAYBE_TouchNoHandler) {
   LoadURL();
@@ skipping 81 matching lines @@
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS, filter->WaitForAck());
 
   touch.PressPoint(25, 125);
   filter = AddFilter(WebInputEvent::TouchStart);
   GetWidgetHost()->ForwardTouchEventWithLatencyInfo(touch, ui::LatencyInfo());
   EXPECT_EQ(INPUT_EVENT_ACK_STATE_CONSUMED, filter->WaitForAck());
 }
 
 }  // namespace content