Media Capabilities: rename mediacapabilities module to media_capabilities.

third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "modules/mediacapabilities/MediaCapabilities.h"
+#include "modules/media_capabilities/MediaCapabilities.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
-#include "modules/mediacapabilities/MediaConfiguration.h"
-#include "modules/mediacapabilities/MediaDecodingAbility.h"
+#include "modules/media_capabilities/MediaConfiguration.h"
+#include "modules/media_capabilities/MediaDecodingAbility.h"
 
 namespace blink {
 
 MediaCapabilities::MediaCapabilities() = default;
 
 ScriptPromise MediaCapabilities::query(
     ScriptState* scriptState,
     const MediaConfiguration& configuration) {
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
   resolver->resolve(new MediaDecodingAbility());
   return promise;
 }
 
 DEFINE_TRACE(MediaCapabilities) {}
 
 }  // namespace blink