Move test-only ContextFactory implementations out of production targets

chrome/browser/extensions/api/tab_capture/tab_capture_performancetest.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/basictypes.h"
 #include "base/command_line.h"
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 #include "base/strings/stringprintf.h"
@@ skipping 107 matching lines @@
     // is loaded from the local file system ( file:// ). The following switch
     // fixes that error.
     command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 
     if (HasFlag(kSmallWindow)) {
       command_line->AppendSwitchASCII(switches::kWindowSize, "800,600");
     } else {
       command_line->AppendSwitchASCII(switches::kWindowSize, "2000,1500");
     }
 
-    command_line->AppendSwitch(switches::kDisableTestCompositor);
+    UseRealGLContexts();
 
     if (!HasFlag(kUseGpu)) {
       command_line->AppendSwitch(switches::kDisableGpu);
     } else {
       command_line->AppendSwitch(switches::kForceCompositingMode);
     }
 
     if (HasFlag(kDisableVsync))
       command_line->AppendSwitch(switches::kDisableGpuVsync);
 
@@ skipping 121 matching lines @@
     TabCapturePerformanceTest,
     testing::Values(
         kScalingTestBase | kScaleQualityFast,
         kScalingTestBase | kScaleQualityGood,
         kScalingTestBase | kScaleQualityBest,
         kScalingTestBase | kScaleQualityFast | kSmallWindow,
         kScalingTestBase | kScaleQualityGood | kSmallWindow,
         kScalingTestBase | kScaleQualityBest | kSmallWindow));
 
 #endif  // USE_AURA