Web MIDI: make naming convention be consistent

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 39414db2445ca10aaea4c09479373f0d2d78a99e..d40d38394eb1e75a7079e74b0579c56b530166ff 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -724,17 +724,17 @@ TestingProfile::GetMediaRequestContextForStoragePartition(
   return NULL;
 }
 
-void TestingProfile::RequestMIDISysExPermission(
+void TestingProfile::RequestMidiSysExPermission(
       int render_process_id,
       int render_view_id,
       int bridge_id,
       const GURL& requesting_frame,
-      const MIDISysExPermissionCallback& callback) {
+      const MidiSysExPermissionCallback& callback) {
   // Always reject requests for testing.
   callback.Run(false);
 }
 
-void TestingProfile::CancelMIDISysExPermissionRequest(
+void TestingProfile::CancelMidiSysExPermissionRequest(
     int render_process_id,
     int render_view_id,
     int bridge_id,