Whitelist Widevine CDM for plugin UMA on all platforms.

chrome/renderer/pepper/pepper_uma_host.cc

Index: chrome/renderer/pepper/pepper_uma_host.cc
diff --git a/chrome/renderer/pepper/pepper_uma_host.cc b/chrome/renderer/pepper/pepper_uma_host.cc
index dbf605bf2bd8eb322bf52f6218193d0041664b27..17c20e2b83636e611f100926a10303eaf0d74dca 100644
--- a/chrome/renderer/pepper/pepper_uma_host.cc
+++ b/chrome/renderer/pepper/pepper_uma_host.cc
@@ -21,6 +21,8 @@
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
 
+#include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.

[teravest, 2014/09/12 17:46:35]

I checked the gyp dependencies for this; looks OK.

+
 namespace {
 
 const char* const kPredefinedAllowedUMAOrigins[] = {
@@ -33,8 +35,11 @@ const char* const kWhitelistedHistogramPrefixes[] = {
 };
 
 const char* const kWhitelistedPluginBaseNames[] = {
-    "libwidevinecdmadapter.so",  // see http://crbug.com/368743
-    "libpdf.so"                  // see http://crbug.com/405305
+#if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
+    kWidevineCdmAdapterFileName,  // see http://crbug.com/368743
+                                  // and http://crbug.com/410630
+#endif
+    "libpdf.so"                   // see http://crbug.com/405305
 };
 
 std::string HashPrefix(const std::string& histogram) {