Move media related mimetype functionality out of net/ and into media/.

content/common/mime_util.h

Index: content/common/mime_util.h
diff --git a/content/app/mojo/mojo_init.h b/content/common/mime_util.h
similarity index 50%
copy from content/app/mojo/mojo_init.h
copy to content/common/mime_util.h
index 4a4e5d4284c0199ba2606f60ab9a0a510cea8f15..903d0db0eb8819c00ab1620b8b88950a7591c8ea 100644
--- a/content/app/mojo/mojo_init.h
+++ b/content/common/mime_util.h
@@ -2,16 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_APP_MOJO_MOJO_INIT_H_
-#define CONTENT_APP_MOJO_MOJO_INIT_H_
+#ifndef CONTENT_COMMON_MIME_UTIL_H_
+#define CONTENT_COMMON_MIME_UTIL_H_
+
+#include <string>
 
 #include "content/common/content_export.h"
 
 namespace content {
 
-// Perform any necessary Mojo initialization.
-CONTENT_EXPORT void InitializeMojo();
+CONTENT_EXPORT bool IsSupportedMimeType(const std::string& mime_type);
 
-}  // namespace content
+}
 
-#endif  // CONTENT_COMMON_MOJO_MOJO_INIT_H_
+#endif