Replace WIDEVINE_CDM_AVAILABLE with a gyp define 'enable_widevine_cdm'.

chrome/browser/load_library_perf_test.cc

 // Copyright 2014 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/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_native_library.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
@@ skipping 34 matching lines @@
 
 // Use the base name of the library to dynamically get the platform specific
 // name. See base::GetNativeLibraryName() for details.
 void MeasureSizeAndTimeToLoadNativeLibraryByBaseName(
     const std::string& base_library_name) {
   MeasureSizeAndTimeToLoadNativeLibrary(base::FilePath::FromUTF16Unsafe(
       base::GetNativeLibraryName(base::ASCIIToUTF16(base_library_name))));
 }
 
 #if defined(ENABLE_PEPPER_CDMS)
-#if defined(WIDEVINE_CDM_AVAILABLE)
+#if defined(ENABLE_WIDEVINE_CDM)
 TEST(LoadCDMPerfTest, Widevine) {
   MeasureSizeAndTimeToLoadNativeLibrary(
       base::FilePath::FromUTF8Unsafe(kWidevineCdmFileName));
 }
 
 TEST(LoadCDMPerfTest, WidevineAdapter) {
   MeasureSizeAndTimeToLoadNativeLibrary(
       base::FilePath::FromUTF8Unsafe(kWidevineCdmAdapterFileName));
 }
-#endif  // defined(WIDEVINE_CDM_AVAILABLE)
+#endif  // defined(ENABLE_WIDEVINE_CDM)
 
 TEST(LoadCDMPerfTest, ExternalClearKey) {
 #if defined(OS_MACOSX)
   MeasureSizeAndTimeToLoadNativeLibrary(
     base::FilePath::FromUTF8Unsafe("libclearkeycdm.dylib"));
 #else
   MeasureSizeAndTimeToLoadNativeLibraryByBaseName("clearkeycdm");
 #endif  // defined(OS_MACOSX)
 }
 
 TEST(LoadCDMPerfTest, ExternalClearKeyAdapter) {
 #if defined(OS_MACOSX)
   MeasureSizeAndTimeToLoadNativeLibrary(
     base::FilePath::FromUTF8Unsafe("clearkeycdmadapter.plugin"));
 #else
   MeasureSizeAndTimeToLoadNativeLibraryByBaseName("clearkeycdmadapter");
 #endif  // defined(OS_MACOSX)
 }
 #endif  // defined(ENABLE_PEPPER_CDMS)