Enable the RenderWidgetHostTest.MultipleInputEvents unit test since it passes.

content/browser/renderer_host/render_widget_host_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/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/backing_store.h"
@@ skipping 731 matching lines @@
 
   // Wait long enough for first timeout and see if it fired.
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
                                           MessageLoop::QuitClosure(), 40);
   MessageLoop::current()->Run();
   EXPECT_TRUE(host_->unresponsive_timer_fired());
 }
 
 // Test that the hang monitor catches two input events but only one ack.
 // This can happen if the second input event causes the renderer to hang.
-// This test will catch a regression of crbug.com/111185 and will only
-// pass when the compositor thread is being used.
-TEST_F(RenderWidgetHostTest, FAILS_MultipleInputEvents) {
+// This test will catch a regression of crbug.com/111185.
+TEST_F(RenderWidgetHostTest, MultipleInputEvents) {
   // Configure the host to wait 10ms before considering
   // the renderer hung.
   host_->set_hung_renderer_delay_ms(10);
 
   // Send two events but only one ack.
   SimulateKeyboardEvent(WebInputEvent::RawKeyDown);
   SimulateKeyboardEvent(WebInputEvent::RawKeyDown);
   SendInputEventACK(WebInputEvent::RawKeyDown, true);
 
   // Wait long enough for first timeout and see if it fired.
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
                                           MessageLoop::QuitClosure(), 40);
   MessageLoop::current()->Run();
   EXPECT_TRUE(host_->unresponsive_timer_fired());
 }