Perf test to measure loading CDM library.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index fc651c0edfb8e38708b0d4065e993f5aa0064b0f..5394f6b146c9e09a2a8c4bc7598d41b303a8c03e 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -2812,6 +2812,24 @@
         '../third_party/webrtc/tools/tools.gyp:rgba_to_i420_converter',
       ],
     },  # target 'webrtc_test_tools'
+    {
+      # Executable to measure time to load libraries.
+      'target_name': 'load_library_perf_test',
+      'type': '<(gtest_target_type)',

[Lei Zhang, 2014/02/12 20:26:18]

Is this going to create another test binary?

[shadi1, 2014/02/12 20:49:24]

Yes, doesn't this create a "load_library_perf_test" binary. The plan is to run
it on perf bots to monitor time_to_load. 

+      'dependencies': [
+        '../base/base.gyp:test_support_perf',
+        '../testing/gtest.gyp:gtest',
+        '../testing/perf/perf_test.gyp:*',
+        '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
+      ],
+      'sources': [
+        'browser/load_library_perf_test.cc',
+      ],
+      'include_dirs': [
+        '..',
+        '<(SHARED_INTERMEDIATE_DIR)',
+      ],
+    },  # target 'load_library_perf_test'
   ],
   'conditions': [
     ['OS=="mac"', {