Revert 116191 - Input latency performance test that uses tracing.

content/browser/renderer_host/render_widget_host.cc

Index: content/browser/renderer_host/render_widget_host.cc
===================================================================
--- content/browser/renderer_host/render_widget_host.cc	(revision 116201)
+++ content/browser/renderer_host/render_widget_host.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -1036,12 +1036,6 @@
             UserMetricsAction("BadMessageTerminate_RWH1"));
         process()->ReceivedBadMessage();
       } else {
-        UNSHIPPED_TRACE_EVENT_INSTANT2("test_latency", "UpdateRect",
-            "x+y", params.bitmap_rect.x() + params.bitmap_rect.y(),
-            "color", 0xffffff & *static_cast<uint32*>(dib->memory()));
-        UNSHIPPED_TRACE_EVENT_INSTANT1("test_latency", "UpdateRectWidth",
-            "width", params.bitmap_rect.width());
-
         // Scroll the backing store.
         if (!params.scroll_rect.IsEmpty()) {
           ScrollBackingStoreRect(params.dx, params.dy,