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

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 2b4bc1023cc0c826b69d42719a3ac4a1cdacdd32..c2f2ac6fec4916519779bb73c4c3c2c820b280ff 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -15,6 +15,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "cc/blink/context_provider_web_context.h"
+#include "components/rappor/content/common/rappor_messages.h"
 #include "content/child/database_util.h"
 #include "content/child/file_info_util.h"
 #include "content/child/fileapi/webfilesystem_impl.h"
@@ -1021,6 +1022,14 @@ blink::WebString RendererBlinkPlatformImpl::convertIDNToUnicode(
 
 //------------------------------------------------------------------------------
 
+void RendererBlinkPlatformImpl::recordRappor(
+    const char* metric, const blink::WebString& sample) {
+  RenderThread::Get()->Send(
+      new RapporHostMsg_RecordSample(metric, sample.utf8()));
+}
+
+//------------------------------------------------------------------------------
+
 // static
 void RendererBlinkPlatformImpl::SetMockDeviceLightDataForTesting(double data) {
   g_test_device_light_data = data;