Show gpu process stats in about:tcmalloc

chrome/browser/browser_about_handler.cc

Index: chrome/browser/browser_about_handler.cc
diff --git a/chrome/browser/browser_about_handler.cc b/chrome/browser/browser_about_handler.cc
index 6a4a10f07b2a9e7a5c49a1b3cb6f27827d0a0b67..dc741f36ae3310bd459cec650c2a989e451b0eb7 100644
--- a/chrome/browser/browser_about_handler.cc
+++ b/chrome/browser/browser_about_handler.cc
@@ -16,10 +16,6 @@
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/sensors_provider.h"
 
-#if defined(USE_TCMALLOC)
-#include "third_party/tcmalloc/chromium/src/gperftools/malloc_extension.h"
-#endif
-
 namespace {
 
 // Add paths here to be included in chrome://chrome-urls (about:about).
@@ -59,7 +55,6 @@ const char* const kChromePaths[] = {
   chrome::kChromeUIStatsHost,
   chrome::kChromeUISyncInternalsHost,
   chrome::kChromeUITaskManagerHost,
-  chrome::kChromeUITCMallocHost,
   chrome::kChromeUITermsHost,
   chrome::kChromeUITracingHost,
   chrome::kChromeUIVersionHost,
@@ -192,19 +187,3 @@ std::vector<std::string> ChromePaths() {
   return paths;
 }
 
-#if defined(USE_TCMALLOC)
-// static
-AboutTcmallocOutputs* AboutTcmallocOutputs::GetInstance() {
-  return Singleton<AboutTcmallocOutputs>::get();
-}
-
-AboutTcmallocOutputs::AboutTcmallocOutputs() {}
-
-AboutTcmallocOutputs::~AboutTcmallocOutputs() {}
-
-// Glue between the callback task and the method in the singleton.
-void AboutTcmallocRendererCallback(base::ProcessId pid,
-                                   const std::string& output) {
-  AboutTcmallocOutputs::GetInstance()->RendererCallback(pid, output);
-}
-#endif