Enable the embedded L1/EME support in WebView.

android_webview/native/external_video_surface_container_impl.h

Index: android_webview/native/external_video_surface_container_impl.h
diff --git a/android_webview/native/external_video_surface_container_impl.h b/android_webview/native/external_video_surface_container_impl.h
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+// Copyright (c) 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.
+
+#ifndef ANDROID_WEBVIEW_NATIVE_EXTERNAL_VIDEO_SURFACE_CONTAINER_IMPL_H_
+#define ANDROID_WEBVIEW_NATIVE_EXTERNAL_VIDEO_SURFACE_CONTAINER_IMPL_H_
+
+#include <jni.h>
+
+#include "base/android/scoped_java_ref.h"
+#include "base/callback.h"
+#include "base/compiler_specific.h"
+#include "content/public/browser/android/external_video_surface_container.h"
+#include "content/public/browser/web_contents_user_data.h"
+
+namespace android_webview {
+
+class ExternalVideoSurfaceContainerImpl
+    : public content::ExternalVideoSurfaceContainer,
+      public content::WebContentsUserData<ExternalVideoSurfaceContainerImpl> {
+ public:
+  typedef base::Callback<void(int, jobject)> SurfaceCreatedCB;
+  typedef base::Callback<void(int)> SurfaceDestroyedCB;
+
+  ExternalVideoSurfaceContainerImpl(content::WebContents* contents);
+
+  // ExternalVideoSurfaceContainer implementation.
+  virtual void RequestExternalVideoSurface(
+      int player_id,
+      const SurfaceCreatedCB& surface_created_cb,
+      const SurfaceDestroyedCB& surface_destroyed_cb) OVERRIDE;
+  virtual void ReleaseExternalVideoSurface(int player_id) OVERRIDE;
+  virtual void OnFrameInfoUpdated() OVERRIDE;
+  virtual void OnExternalVideoSurfacePositionChanged(
+      int player_id, const gfx::RectF& rect) OVERRIDE;
+
+  // Methods called from Java.
+  void SurfaceCreated(
+      JNIEnv* env, jobject obj, jint player_id, jobject jsurface);
+  void SurfaceDestroyed(JNIEnv* env, jobject obj, jint player_id);
+
+ private:
+  virtual ~ExternalVideoSurfaceContainerImpl();
+
+  base::android::ScopedJavaGlobalRef<jobject> jobject_;
+
+  SurfaceCreatedCB surface_created_cb_;
+  SurfaceDestroyedCB surface_destroyed_cb_;
+
+ DISALLOW_COPY_AND_ASSIGN(ExternalVideoSurfaceContainerImpl);
+};
+
+bool RegisterExternalVideoSurfaceContainer(JNIEnv* env);
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_NATIVE_EXTERNAL_VIDEO_SURFACE_CONTAINER_IMPL_H_