Introduce enablePreciseMemoryInfo switch and apply it to both renderer and shared worker

content/child/runtime_features.cc

Index: content/child/runtime_features.cc
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index fa6346c3d552827c026c03b8ccd1c576fae437dc..c35768412e6fad408dda0ac17232ab1392ef48f2 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -153,6 +153,9 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
 
   if (command_line.HasSwitch(switches::kEnableBleedingEdgeRenderingFastPaths))
     WebRuntimeFeatures::enableBleedingEdgeFastPaths(true);
+
+  if (command_line.HasSwitch(switches::kEnablePreciseMemoryInfo))
+    WebRuntimeFeatures::enablePreciseMemoryInfo(true);
 }
 
 }  // namespace content