fix latency test typo

chrome/test/perf/rendering/latency_tests.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/command_line.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
@@ skipping 254 matching lines @@
 
 #if defined(OS_WIN)
   // Latency test doesn't work on WinXP. crbug.com/128066
   if (base::win::OSInfo::GetInstance()->version() == base::win::VERSION_XP)
     return;
 #endif
 
   // Construct queries for searching trace events via TraceAnalyzer.
   if (mode_ == kWebGL) {
     query_begin_swaps_ = query_instant_ &&
-        Query::EventName() == Query::String("SwapBuffersLantency") &&
+        Query::EventName() == Query::String("SwapBuffersLatency") &&
         Query::EventArg("width") != Query::Int(kWebGLCanvasWidth);
     query_end_swaps_ = query_instant_ &&
         Query::EventName() == Query::String("CompositorSwapBuffersComplete");
   } else if (mode_ == kSoftware) {
     // Software updates need to have x=0 and y=0 to contain the input color.
     query_begin_swaps_ = query_instant_ &&
         Query::EventName() == Query::String("UpdateRect") &&
         Query::EventArg("x+y") == Query::Int(0);
     query_end_swaps_ = query_instant_ &&
         Query::EventName() == Query::String("UpdateRectComplete") &&
@@ skipping 379 matching lines @@
 INSTANTIATE_TEST_CASE_P(, LatencyTest, ::testing::Values(
     0,
     kInputHeavy,
     kInputHeavy | kInputDirty | kRafHeavy,
     kInputHeavy | kInputDirty | kRafHeavy | kPaintHeavy,
     kInputDirty | kPaintHeavy,
     kInputDirty | kRafHeavy | kPaintHeavy
     ));
 
 }  // namespace