Add media file validation to utility process

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index d3153f67d515841fa72025472b4cc8aa6388e7cc..66c8a8708ec4ddfe98cee2750a1264a6f6206513 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -5,6 +5,7 @@
 #include "chrome/app/chrome_main_delegate.h"
 
 #include "base/command_line.h"
+#include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/stats_counters.h"
@@ -639,8 +640,11 @@ void ChromeMainDelegate::PreSandboxStartup() {
 #endif  // defined(OS_MACOSX)
 
 #if !defined(CHROME_MULTIPLE_DLL_BROWSER)
-    if (process_type == switches::kUtilityProcess)
-      chrome::ChromeContentUtilityClient::PreSandboxStartup();
+    if (process_type == switches::kUtilityProcess) {
+      base::FilePath media_path;
+      PathService::Get(content::DIR_MEDIA_LIBS, &media_path);

[Lei Zhang, 2013/08/07 20:56:21]

Why not just do this in PreSandboxStartup() ?

[vandebo (ex-Chrome), 2013/08/07 21:00:43]

Layering violation - utility doesn't depend on content

[Lei Zhang, 2013/08/07 22:30:14]

chrome/DEPS says anyone can use content/public/common.

[vandebo (ex-Chrome), 2013/08/07 23:26:12]

Hmm, indeed.  Fixed.

+      chrome::ChromeContentUtilityClient::PreSandboxStartup(media_path);
+    }
 #endif
   }