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

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1074 matching lines @@
     switches::kEnableInbandTextTracks,
     switches::kEnableLCDText,
     switches::kEnableLayerSquashing,
     switches::kEnableLogging,
     switches::kEnableMemoryBenchmarking,
     switches::kEnableOneCopy,
     switches::kEnableOverlayFullscreenVideo,
     switches::kEnableOverlayScrollbar,
     switches::kEnableOverscrollNotifications,
     switches::kEnablePinch,
+    switches::kEnablePreciseMemoryInfo,
     switches::kEnablePreparsedJsCaching,
     switches::kEnableRepaintAfterLayout,
     switches::kEnableSeccompFilterSandbox,
     switches::kEnableServiceWorker,
     switches::kEnableSkiaBenchmarking,
     switches::kEnableSpeechSynthesis,
     switches::kEnableStatsTable,
     switches::kEnableStrictSiteIsolation,
     switches::kEnableTargetedStyleRecalc,
     switches::kEnableUniversalAcceleratedOverflowScroll,
@@ skipping 974 matching lines @@
     mojo::ScopedMessagePipeHandle handle) {
   mojo_activation_required_ = true;
   MaybeActivateMojo();
 
   mojo::AllocationScope scope;
   mojo_application_host_->shell_client()->AcceptConnection(service_name,
                                                            handle.Pass());
 }
 
 }  // namespace content