Hide StatsTable behind --enable-stats-table.

Review URL: http://codereview.chromium.org/49045

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12690 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 13 insertions, 5 deletions

diff --git a/chrome/app/chrome_dll_main.cc b/chrome/app/chrome_dll_main.cc
index 1ef0dd0..26e8936 100644
--- a/chrome/app/chrome_dll_main.cc
+++ b/chrome/app/chrome_dll_main.cc
@@ -304,11 +304,13 @@ int ChromeMain(int argc, const char** argv) {
   // of the process.  It is not cleaned up.
   // TODO(port): we probably need to shut this down correctly to avoid
   // leaking shared memory regions on posix platforms.
-  std::string statsfile =
-      StringPrintf("%s-%d", chrome::kStatsFilename, browser_pid);
-  StatsTable *stats_table = new StatsTable(statsfile,
-      chrome::kStatsMaxThreads, chrome::kStatsMaxCounters);
-  StatsTable::set_current(stats_table);
+  if (parsed_command_line.HasSwitch(switches::kEnableStatsTable)) {
+    std::string statsfile =
+        StringPrintf("%s-%d", chrome::kStatsFilename, browser_pid);
+    StatsTable *stats_table = new StatsTable(statsfile,
+        chrome::kStatsMaxThreads, chrome::kStatsMaxCounters);
+    StatsTable::set_current(stats_table);
+  }
 
   StatsScope<StatsCounterTimer>
       startup_timer(chrome::Counters::chrome_main());
diff --git a/chrome/browser/plugin_process_host.cc b/chrome/browser/plugin_process_host.cc
index 890a387..e7a7f30 100644
--- a/chrome/browser/plugin_process_host.cc
+++ b/chrome/browser/plugin_process_host.cc
@@ -431,6 +431,7 @@ bool PluginProcessHost::Init(const WebPluginInfo& info,
     switches::kSilentDumpOnDCHECK,
     switches::kMemoryProfiling,
     switches::kUseLowFragHeapCrt,
+    switches::kEnableStatsTable,
   };
 
   for (size_t i = 0; i < arraysize(switch_names); ++i) {
diff --git a/chrome/browser/renderer_host/browser_render_process_host.cc b/chrome/browser/renderer_host/browser_render_process_host.cc
index e8bb8b7b..4d6d917 100644
--- a/chrome/browser/renderer_host/browser_render_process_host.cc
+++ b/chrome/browser/renderer_host/browser_render_process_host.cc
@@ -266,6 +266,7 @@ bool BrowserRenderProcessHost::Init() {
     switches::kUseLowFragHeapCrt,
     switches::kEnableVideo,
     switches::kEnableWebWorkers,
+    switches::kEnableStatsTable,
   };
 
   for (size_t i = 0; i < arraysize(switch_names); ++i) {
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 9cd098f..c32cbb5 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -408,4 +408,7 @@ const wchar_t kViewsGtk[] = L"views-gtk";
 // Enables the bookmark menu.
 const wchar_t kBookmarkMenu[] = L"bookmark-menu";
 
+// Enables StatsTable, logging statistics to a global named shared memory table.
+const wchar_t kEnableStatsTable[] = L"enable-stats-table";
+
 }  // namespace switches
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index c094937..8b51a7d 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -159,6 +159,7 @@ extern const wchar_t kEnableWebWorkers[];
 extern const wchar_t kViewsGtk[];
 
 extern const wchar_t kBookmarkMenu[];
+extern const wchar_t kEnableStatsTable[];
 
 }  // namespace switches