DevTools: introduce RecordEnumeratedHistogram method.

content/browser/devtools/devtools_frontend_host_impl.cc

Index: content/browser/devtools/devtools_frontend_host_impl.cc
diff --git a/content/browser/devtools/devtools_frontend_host_impl.cc b/content/browser/devtools/devtools_frontend_host_impl.cc
index 6d3c658936fd4aeaeb740557dc6c7b458e5bfd8f..a25daeeaf009160843460eabceb20e10d1fd156c 100644
--- a/content/browser/devtools/devtools_frontend_host_impl.cc
+++ b/content/browser/devtools/devtools_frontend_host_impl.cc
@@ -4,6 +4,7 @@
 
 #include "content/browser/devtools/devtools_frontend_host_impl.h"
 
+#include "content/browser/bad_message.h"
 #include "content/common/devtools_messages.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_frame_host.h"
@@ -31,6 +32,11 @@ DevToolsFrontendHostImpl::DevToolsFrontendHostImpl(
 DevToolsFrontendHostImpl::~DevToolsFrontendHostImpl() {
 }
 
+void DevToolsFrontendHostImpl::BadMessageRecieved() {
+  bad_message::ReceivedBadMessage(web_contents()->GetRenderProcessHost(),
+                                  bad_message::DFH_BAD_EMBEDDER_MESSAGE);
+}
+
 bool DevToolsFrontendHostImpl::OnMessageReceived(
     const IPC::Message& message,
     RenderFrameHost* render_frame_host) {