Replaces instances of the deprecated TimeTicks::HighResNow() with TimeTicks::Now().

BUG=

Review URL: https://codereview.chromium.org/864943002

Cr-Commit-Position: refs/heads/master@{#313084}
diff --git a/chrome/renderer/benchmarking_extension.cc b/chrome/renderer/benchmarking_extension.cc
index 555de01..1a47051 100644
--- a/chrome/renderer/benchmarking_extension.cc
+++ b/chrome/renderer/benchmarking_extension.cc
@@ -119,7 +119,7 @@
 
   static void HiResTime(const v8::FunctionCallbackInfo<v8::Value>& args) {
     args.GetReturnValue().Set(
-        static_cast<double>(base::TimeTicks::HighResNow().ToInternalValue()));
+        static_cast<double>(base::TimeTicks::Now().ToInternalValue()));
   }
 };