Move the IsSupported* mime functions out of //net and into //components/mime_util

chrome/browser/download/download_target_determiner.cc

Index: chrome/browser/download/download_target_determiner.cc
diff --git a/chrome/browser/download/download_target_determiner.cc b/chrome/browser/download/download_target_determiner.cc
index 7a7dfb88a73cb3702038f12105151d35572f02b5..23b77ee1b05a151cd7a6e116592d23c453d6fa3a 100644
--- a/chrome/browser/download/download_target_determiner.cc
+++ b/chrome/browser/download/download_target_determiner.cc
@@ -17,12 +17,12 @@
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/history/core/browser/history_service.h"
+#include "components/mime_util/mime_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "extensions/common/constants.h"
 #include "net/base/filename_util.h"
-#include "net/base/mime_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(ENABLE_EXTENSIONS)
@@ -482,7 +482,7 @@ DownloadTargetDeterminer::Result
   if (mime_type_.empty())
     return CONTINUE;
 
-  if (net::IsSupportedMimeType(mime_type_)) {
+  if (mime_util::IsSupportedMimeType(mime_type_)) {
     is_filetype_handled_safely_ = true;
     return CONTINUE;
   }