Expose UkmService to content/

content/browser/renderer_host/render_widget_host_delegate.h

Index: content/browser/renderer_host/render_widget_host_delegate.h
diff --git a/content/browser/renderer_host/render_widget_host_delegate.h b/content/browser/renderer_host/render_widget_host_delegate.h
index a4177e92f2727a07ec85686f3b9117e056e31b3c..ca56a9df9870e4bf1731152d5125f5295c423c70 100644
--- a/content/browser/renderer_host/render_widget_host_delegate.h
+++ b/content/browser/renderer_host/render_widget_host_delegate.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "build/build_config.h"
+#include "components/ukm/public/ukm_recorder.h"
 #include "content/common/content_export.h"
 #include "content/common/drag_event_source_info.h"
 #include "content/public/common/drop_data.h"
@@ -32,6 +33,10 @@ namespace rappor {
 class Sample;
 }
 
+namespace ukm {
+class UkmRecorder;
+}
+
 namespace content {
 
 class BrowserAccessibilityManager;
@@ -244,6 +249,11 @@ class CONTENT_EXPORT RenderWidgetHostDelegate {
   // if the eTLD+1 is not known for |render_widget_host|.
   virtual bool AddDomainInfoToRapporSample(rappor::Sample* sample);
 
+  // Update UkmRecorder for the given source with the URL. This is used for
+  // URL-keyed metrics to set the url for a report.
+  virtual void UpdateUrlForUkmSource(ukm::UkmRecorder* service,
+                                     ukm::SourceId ukm_source_id);
+
   // Notifies the delegate that a focused editable element has been touched
   // inside this RenderWidgetHost. If |editable| is true then the focused
   // element accepts text input.