Move media library path resolution into Chrome path provider.

content/browser/zygote_main_linux.cc

Index: content/browser/zygote_main_linux.cc
diff --git a/content/browser/zygote_main_linux.cc b/content/browser/zygote_main_linux.cc
index 188ad34f62b43d253f3e45fc28709798d844b5f8..0b120923942bc3cc5b10b7e611605c74ba3f6d9c 100644
--- a/content/browser/zygote_main_linux.cc
+++ b/content/browser/zygote_main_linux.cc
@@ -36,6 +36,7 @@
 #include "base/sys_info.h"
 #include "build/build_config.h"
 #include "chrome/common/chrome_descriptors.h"
+#include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/font_config_ipc_linux.h"
 #include "chrome/common/main_function_params.h"
@@ -596,9 +597,12 @@ static void PreSandboxInit() {
   // cached and there's no more need to access the file system.
   scoped_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
 
-  FilePath module_path;
-  if (PathService::Get(base::DIR_MODULE, &module_path))
-    media::InitializeMediaLibrary(module_path);
+  // If we can't get a path to load media libraries from, or if loading
+  // them fails, we'll crash if we try to call into them.  Code should
+  // be sure to check media::IsMediaLibraryInitialized() before doing so!

[awong, 2011/02/25 02:41:59]

Exclamations are discouraged in comments :)

+  FilePath media_path;
+  if (PathService::Get(chrome::DIR_MEDIA_LIBS, &media_path))
+    media::InitializeMediaLibrary(media_path);
 
   // Ensure access to the Pepper plugins before the sandbox is turned on.
   PepperPluginRegistry::PreloadModules();