Implement Web Restrictions in WebView.

android_webview/renderer/aw_content_renderer_client.h

Index: android_webview/renderer/aw_content_renderer_client.h
diff --git a/android_webview/renderer/aw_content_renderer_client.h b/android_webview/renderer/aw_content_renderer_client.h
index 913824200d38f6161e12649e88ba22cf8a550a52..4e2b0aaf94dd0d356c3c87985eabc402536cb2f9 100644
--- a/android_webview/renderer/aw_content_renderer_client.h
+++ b/android_webview/renderer/aw_content_renderer_client.h
@@ -5,12 +5,14 @@
 #ifndef ANDROID_WEBVIEW_RENDERER_AW_CONTENT_RENDERER_CLIENT_H_
 #define ANDROID_WEBVIEW_RENDERER_AW_CONTENT_RENDERER_CLIENT_H_
 
-#include "content/public/renderer/content_renderer_client.h"
-
-#include <stddef.h>
+#include <memory>
+#include <string>
 
 #include "android_webview/renderer/aw_render_thread_observer.h"
 #include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
+#include "components/web_restrictions/interfaces/web_restrictions.mojom.h"
+#include "content/public/renderer/content_renderer_client.h"
 
 namespace visitedlink {
 class VisitedLinkSlave;
@@ -53,6 +55,9 @@ class AwContentRendererClient : public content::ContentRendererClient {
  private:
   std::unique_ptr<AwRenderThreadObserver> aw_render_thread_observer_;
   std::unique_ptr<visitedlink::VisitedLinkSlave> visited_link_slave_;
+  web_restrictions::mojom::WebRestrictionsPtr web_restrictions_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(AwContentRendererClient);
 };
 
 }  // namespace android_webview