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

content/public/common/content_switches.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.
 
 #include "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 431 matching lines @@
 
 // Force logging to be enabled.  Logging is disabled by default in release
 // builds.
 const char kEnableLogging[]                 = "enable-logging";
 
 // Enables the memory benchmarking extension
 const char kEnableMemoryBenchmarking[]      = "enable-memory-benchmarking";
 
 // Make the values returned to window.performance.memory more granular and more
 // up to date in shared worker. Without this flag, the memory information is
-// still available, but it is bucketized and updated less frequently.
-const char kEnableSharedWorkerMemoryInfo[] =
-    "enable-shared-worker-memory-info";
+// still available, but it is bucketized and updated less frequently. This flag
+// also applys to workers.
+const char kEnablePreciseMemoryInfo[] = "enable-precise-memory-info";
 
 // On Windows, converts the page to the currently-installed monitor profile.
 // This does NOT enable color management for images. The source is still
 // assumed to be sRGB.
 const char kEnableMonitorProfile[]          = "enable-monitor-profile";
 
 // Enables use of cache if offline, even if it's stale
 const char kEnableOfflineCacheAccess[]      = "enable-offline-cache-access";
 
 // Enable rasterizer that writes directly to GPU memory.
@@ skipping 548 matching lines @@
 
 // Disables support for Core Animation plugins. This is triggered when
 // accelerated compositing is disabled. See http://crbug.com/122430 .
 const char kDisableCoreAnimationPlugins[] =
     "disable-core-animation-plugins";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches