Plumb site engagement to the renderer process.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 9ef5208a349d94a75192fbafd43183aec352d68a..356ac452ed7664062ac311e1303f4cd499a0bb0e 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -54,6 +54,7 @@
 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
+#include "third_party/WebKit/public/platform/site_engagement.mojom.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebFrameClient.h"
@@ -167,6 +168,7 @@ class CreateFrameWidgetParams;
 
 class CONTENT_EXPORT RenderFrameImpl
     : public RenderFrame,
+      NON_EXPORTED_BASE(blink::mojom::EngagementClient),
       NON_EXPORTED_BASE(mojom::Frame),
       NON_EXPORTED_BASE(mojom::HostZoom),
       NON_EXPORTED_BASE(public blink::WebFrameClient),
@@ -442,6 +444,9 @@ class CONTENT_EXPORT RenderFrameImpl
   blink::WebPageVisibilityState GetVisibilityState() const override;
   bool IsBrowserSideNavigationPending() override;
 
+  // blink::mojom::EngagementClient implementation:
+  void SetEngagementLevel(blink::mojom::EngagementLevel level) override;
+
   // mojom::Frame implementation:
   void GetInterfaceProvider(
       service_manager::mojom::InterfaceProviderRequest request) override;
@@ -649,8 +654,11 @@ class CONTENT_EXPORT RenderFrameImpl
       blink::WebFrameSerializerClient::FrameSerializationStatus status)
       override;
 
+  // Binds to the site engagement service in the browser.
+  void BindEngagement(blink::mojom::EngagementClientAssociatedRequest request);
+
   // Binds to the FrameHost in the browser.
-  void Bind(mojom::FrameRequest frame, mojom::FrameHostPtr frame_host);
+  void BindFrame(mojom::FrameRequest request, mojom::FrameHostPtr frame_host);
 
   ManifestManager* manifest_manager();
 
@@ -1325,10 +1333,14 @@ class CONTENT_EXPORT RenderFrameImpl
 
   HostZoomLevels host_zoom_levels_;
 
+  mojo::AssociatedBinding<blink::mojom::EngagementClient> engagement_binding_;
   mojo::Binding<mojom::Frame> frame_binding_;
   mojo::AssociatedBinding<mojom::HostZoom> host_zoom_binding_;
   mojom::FrameHostPtr frame_host_;
 
+  // The engagement level to send to the frame once a navigation has committed.
+  blink::mojom::EngagementLevel engagement_level_;
+
   // Indicates whether |didAccessInitialDocument| was called.
   bool has_accessed_initial_document_;