Implement Web Restrictions in WebView.

android_webview/browser/renderer_host/aw_render_view_host_ext.cc

Index: android_webview/browser/renderer_host/aw_render_view_host_ext.cc
diff --git a/android_webview/browser/renderer_host/aw_render_view_host_ext.cc b/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
index 3e7c1618c4f99b9703fbbf963693fb11f3c165fc..ea8e6d582483b21acd3eb16fef33e337fc0597f2 100644
--- a/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
+++ b/android_webview/browser/renderer_host/aw_render_view_host_ext.cc
@@ -11,6 +11,7 @@
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "components/web_restrictions/browser/web_restrictions_mojo_implementation.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ -18,6 +19,7 @@
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "services/shell/public/cpp/interface_registry.h"
 
 namespace android_webview {
 
@@ -143,6 +145,13 @@ void AwRenderViewHostExt::ClearImageRequests() {
   image_requests_callback_map_.clear();
 }
 
+void AwRenderViewHostExt::RenderFrameCreated(
+    content::RenderFrameHost* frame_host) {
+  frame_host->GetInterfaceRegistry()->AddInterface(
+      base::Bind(&web_restrictions::WebRestrictionsMojoImplementation::Create,
+                 AwBrowserContext::GetDefault()->GetWebRestrictionProvider()));
+}
+
 void AwRenderViewHostExt::DidNavigateAnyFrame(
     content::RenderFrameHost* render_frame_host,
     const content::LoadCommittedDetails& details,