Move media library path resolution into Chrome path provider.

chrome/common/chrome_paths.cc

Index: chrome/common/chrome_paths.cc
diff --git a/chrome/common/chrome_paths.cc b/chrome/common/chrome_paths.cc
index afa0b7aea775e77e5391a8686e47d126e1d005e9..261f48f429d7b6b56269cf91a65f5faa8e81c9ba 100644
--- a/chrome/common/chrome_paths.cc
+++ b/chrome/common/chrome_paths.cc
@@ -208,6 +208,13 @@ bool PathProvider(int key, FilePath* result) {
       if (!GetInternalPluginsDirectory(&cur))
         return false;
       break;
+    case chrome::DIR_MEDIA_LIBS:
+#if defined(OS_MACOSX)
+      *result = base::mac::MainAppBundlePath();
+      *result = result->Append("Libraries");
+#else
+      return PathService::Get(chrome::DIR_APP, result);
+#endif
     case chrome::FILE_LOCAL_STATE:
       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
         return false;