Componentizes external_video_surface to reduce webview/Cast duplication.

components/external_video_surface/browser/android/external_video_surface_container_impl.cc

 // Copyright 2014 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 "android_webview/native/external_video_surface_container_impl.h"
+#include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
 
 #include "base/android/jni_android.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "jni/ExternalVideoSurfaceContainer_jni.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 using base::android::AttachCurrentThread;
 using content::ContentViewCore;
 
-namespace android_webview {
+namespace external_video_surface {
+
+// static
+bool ExternalVideoSurfaceContainerImpl::RegisterJni(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
 
 // static
 ExternalVideoSurfaceContainerImpl* ExternalVideoSurfaceContainerImpl::Create(
     content::WebContents* web_contents) {
   ContentViewCore* cvc = ContentViewCore::FromWebContents(web_contents);
   if (!cvc)
     return nullptr;
   base::android::ScopedJavaLocalRef<jobject> jcvc = cvc->GetJavaObject();
   if (jcvc.is_null())
     return nullptr;
@@ skipping 72 matching lines @@
   if (!surface_created_cb_.is_null())
     surface_created_cb_.Run(static_cast<int>(player_id), jsurface);
 }
 
 void ExternalVideoSurfaceContainerImpl::SurfaceDestroyed(
     JNIEnv* env, jobject obj, jint player_id) {
   if (!surface_destroyed_cb_.is_null())
     surface_destroyed_cb_.Run(static_cast<int>(player_id));
 }
 
-bool RegisterExternalVideoSurfaceContainer(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android_webview
+}  // namespace external_video_surface