Use kRenderClientId command line flag when starting a render process

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 8ea4bb12aade5984c278edfbd451a37fde8103f0..0f643615f9c98a20057505275ee23e311277fc33 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1584,6 +1584,17 @@ base::WaitableEvent* RenderThreadImpl::GetShutdownEvent() {
   return ChildProcess::current()->GetShutDownEvent();
 }
 
+int32_t RenderThreadImpl::GetClientId() {
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kRendererClientId))

[Fady Samuel, 2016/10/31 15:32:38]

nit: braces here.

[Alex Z., 2016/10/31 15:41:33]

Done.

+    return 1;
+  int client_id;

[Fady Samuel, 2016/10/31 15:32:38]

Initialize this to 0.

[Alex Z., 2016/10/31 15:41:33]

Done.

+  base::StringToInt(base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+                        switches::kRendererClientId),
+                    &client_id);
+  return client_id;
+}
+
 void RenderThreadImpl::OnAssociatedInterfaceRequest(
     const std::string& name,
     mojo::ScopedInterfaceEndpointHandle handle) {