[Blink-Scheduler] Distinguish between normal and foreground-only renderers for monitoring load.

content/renderer/renderer_main.cc

Index: content/renderer/renderer_main.cc
diff --git a/content/renderer/renderer_main.cc b/content/renderer/renderer_main.cc
index 99a42094feaa839659a7401c6339afd4f2903780..0dea819deb21d5b4cd07e5ffdf572a6b68ebc0e0 100644
--- a/content/renderer/renderer_main.cc
+++ b/content/renderer/renderer_main.cc
@@ -154,8 +154,14 @@ int RendererMain(const MainFunctionParams& parameters) {
   base::android::RecordLibraryLoaderRendererHistograms();
 #endif
 
-  std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler(
-      blink::scheduler::RendererScheduler::Create());
+  using blink::scheduler::RendererScheduler;
+  const bool can_be_backgrounded =
+      GetContentClient()->renderer()->CanBeBackgrounded();
+  std::unique_ptr<RendererScheduler> renderer_scheduler(
+      RendererScheduler::Create(
+          can_be_backgrounded
+              ? RendererScheduler::RendererType::kForegroundAndBackground
+              : RendererScheduler::RendererType::kForegroundOnly));
 
   // PlatformInitialize uses FieldTrials, so this must happen later.
   platform.PlatformInitialize();