Web MIDI API renaming: the last step of three step changes

public/web/WebMIDIClientMock.h

Index: public/web/WebMIDIClientMock.h
diff --git a/public/web/WebMIDIClientMock.h b/public/web/WebMIDIClientMock.h
index ce5a261ba4baeaaf73b95ecdef528323665d1185..0ed583386a804786e35107c64cc4c11bb12fa4c8 100644
--- a/public/web/WebMIDIClientMock.h
+++ b/public/web/WebMIDIClientMock.h
@@ -49,18 +49,10 @@ public:
     BLINK_EXPORT void setSysexPermission(bool);
     BLINK_EXPORT void resetMock();
 
-    // FIXME: Remove following function once Chromium stop using it.
-    void setSysExPermission(bool permission) { setSysexPermission(permission); }
-
     // WebMIDIClient
     virtual void requestSysexPermission(const WebMIDIPermissionRequest&) OVERRIDE;
     virtual void cancelSysexPermissionRequest(const WebMIDIPermissionRequest&) OVERRIDE;
 
-    // FIXME: Remove following old functions once Chromium uses new functions.
-    virtual void requestSysExPermission(const WebMIDIPermissionRequest& request) { requestSysexPermission(request); }
-    virtual void cancelSysExPermissionRequest(const WebMIDIPermissionRequest& request) { cancelSysexPermissionRequest(request); }
-
-
 private:
     BLINK_EXPORT void reset();