Show gpu process stats in about:tcmalloc

chrome/browser/browser_about_handler.h

Index: chrome/browser/browser_about_handler.h
diff --git a/chrome/browser/browser_about_handler.h b/chrome/browser/browser_about_handler.h
index a1455e9b14b2fd616a01373c8ffe50d181fffa5f..ce16fb5785358e3fb1b3f159c6526fc9052f9c9e 100644
--- a/chrome/browser/browser_about_handler.h
+++ b/chrome/browser/browser_about_handler.h
@@ -13,6 +13,7 @@
 #include "base/process.h"
 #include "base/stringprintf.h"
 #include "build/build_config.h"  // USE_TCMALLOC
+#include "content/public/common/process_type.h"
 
 template <typename T> struct DefaultSingletonTraits;
 class GURL;
@@ -57,13 +58,12 @@ class AboutTcmallocOutputs {
     outputs_[header] = output;
   }
 
-  // Callback for output returned from renderer processes.  Adds
-  // the output for a canonical renderer header string that
+  // Callback for output returned from a child process.  Adds
+  // the output for a canonical process-specific header string that
   // incorporates the pid.
-  void RendererCallback(base::ProcessId pid, const std::string& output) {
-    SetOutput(
-        base::StringPrintf("Renderer PID %d", static_cast<int>(pid)), output);
-  }
+  void OnStatsForChildProcess(base::ProcessId pid,
+                              content::ProcessType process_type,
+                              const std::string& output);
 
  private:
   AboutTcmallocOutputs();
@@ -75,10 +75,6 @@ class AboutTcmallocOutputs {
 
   DISALLOW_COPY_AND_ASSIGN(AboutTcmallocOutputs);
 };
-
-// Glue between the callback task and the method in the singleton.
-void AboutTcmallocRendererCallback(base::ProcessId pid,
-                                   const std::string& output);
 #endif  // defined(USE_TCMALLOC)
 
 #endif  // CHROME_BROWSER_BROWSER_ABOUT_HANDLER_H_