Extracted media mime type checks from net/base/ into media/base/

content/browser/loader/buffered_resource_handler.cc

Index: content/browser/loader/buffered_resource_handler.cc
diff --git a/content/browser/loader/buffered_resource_handler.cc b/content/browser/loader/buffered_resource_handler.cc
index 67e74a586f5231d3290ee813674357ce1d43bc7a..008f4f7af1adbf7b50b26f81243916d4c16b3389 100644
--- a/content/browser/loader/buffered_resource_handler.cc
+++ b/content/browser/loader/buffered_resource_handler.cc
@@ -16,6 +16,7 @@
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_request_info_impl.h"
 #include "content/browser/loader/stream_resource_handler.h"
+#include "content/common/mime_util.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_save_info.h"
@@ -318,7 +319,7 @@ bool BufferedResourceHandler::SelectNextHandler(bool* defer) {
     scoped_ptr<ResourceHandler> handler(
         host_->MaybeInterceptAsStream(request(), response_.get(), &payload));
     if (handler) {
-      DCHECK(!net::IsSupportedMimeType(mime_type));
+      DCHECK(!content::IsSupportedMimeType(mime_type));
       return UseAlternateNextHandler(handler.Pass(), payload);
     }
   }
@@ -334,7 +335,7 @@ bool BufferedResourceHandler::SelectNextHandler(bool* defer) {
 
   bool must_download = MustDownload();
   if (!must_download) {
-    if (net::IsSupportedMimeType(mime_type))
+    if (content::IsSupportedMimeType(mime_type))
       return true;
 
     std::string payload;