Add an IPC method for Blink to call RapporService::RecordSample()

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 184bcc6121ffa5f80987507691e0facbb2ac4b44..1bb4126715568a55a0ef0121ee38d893af454ffd 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1110,6 +1110,12 @@ void RenderThreadImpl::RecordComputedAction(const std::string& action) {
   Send(new ViewHostMsg_UserMetricsRecordAction(action));
 }
 
+void RenderThreadImpl::RecordRappor(
+    const std::string& metric,
+    const std::string& sample) {
+  Send(new ViewHostMsg_UserMetricsRecordRappor(metric, sample));
+}
+
 scoped_ptr<base::SharedMemory>
     RenderThreadImpl::HostAllocateSharedMemoryBuffer(size_t size) {
   return ChildThreadImpl::AllocateSharedMemory(size, thread_safe_sender());