Convert RapporRecorder to use mojo.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index affa99695a4e0fe9fa76d2f2d506d775c8ffd95b..362e88c263550b443f63c8f51b460c5519d28a9e 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -66,6 +66,7 @@
 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
+#include "chrome/browser/rappor_recorder_impl.h"
 #include "chrome/browser/renderer_host/chrome_navigation_ui_data.h"
 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
@@ -2923,6 +2924,9 @@ void ChromeContentBrowserClient::ExposeInterfacesToRenderer(
   registry->AddInterface(
       base::Bind(&BudgetServiceImpl::Create, render_process_host->GetID()),
       ui_task_runner);
+  registry->AddInterface(
+      base::Bind(&RapporRecorderImpl::Create),
+      ui_task_runner);
 
 #if defined(OS_CHROMEOS)
   registry->AddInterface<metrics::mojom::LeakDetector>(