Revert 96054 - Enable tcmalloc profiling and heap dump.

chrome/renderer/chrome_render_process_observer.cc

Index: chrome/renderer/chrome_render_process_observer.cc
===================================================================
--- chrome/renderer/chrome_render_process_observer.cc	(revision 96064)
+++ chrome/renderer/chrome_render_process_observer.cc	(working copy)
@@ -33,7 +33,6 @@
 #include "net/base/net_module.h"
 #include "third_party/sqlite/sqlite3.h"
 #include "third_party/tcmalloc/chromium/src/google/malloc_extension.h"
-#include "third_party/tcmalloc/chromium/src/google/heap-profiler.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCrossOriginPreflightResultCache.h"
@@ -408,10 +407,6 @@
     IPC_MESSAGE_HANDLER(ViewMsg_SetFieldTrialGroup, OnSetFieldTrialGroup)
 #if defined(USE_TCMALLOC)
     IPC_MESSAGE_HANDLER(ViewMsg_GetRendererTcmalloc, OnGetRendererTcmalloc)
-    IPC_MESSAGE_HANDLER(ViewMsg_SetTcmallocHeapProfiling,
-                        OnSetTcmallocHeapProfiling)
-    IPC_MESSAGE_HANDLER(ViewMsg_WriteTcmallocHeapProfile,
-                        OnWriteTcmallocHeapProfile)
 #endif
     IPC_MESSAGE_HANDLER(ViewMsg_GetV8HeapStats, OnGetV8HeapStats)
     IPC_MESSAGE_HANDLER(ViewMsg_GetCacheResourceStats, OnGetCacheResourceStats)
@@ -463,35 +458,11 @@
 void ChromeRenderProcessObserver::OnGetRendererTcmalloc() {
   std::string result;
   char buffer[1024 * 32];
+  base::ProcessId pid = base::GetCurrentProcId();
   MallocExtension::instance()->GetStats(buffer, sizeof(buffer));
   result.append(buffer);
-  Send(new ViewHostMsg_RendererTcmalloc(result));
+  Send(new ViewHostMsg_RendererTcmalloc(pid, result));
 }
-
-void ChromeRenderProcessObserver::OnSetTcmallocHeapProfiling(
-    bool profiling, const std::string& filename_prefix) {
-  if (profiling)
-    HeapProfilerStart(filename_prefix.c_str());
-  else
-    HeapProfilerStop();
-}
-
-void ChromeRenderProcessObserver::OnWriteTcmallocHeapProfile(
-    const FilePath::StringType& filename) {
-  if (!IsHeapProfilerRunning())
-    return;
-  char* profile = GetHeapProfile();
-  if (!profile) {
-    LOG(WARNING) << "Unable to get heap profile.";
-    return;
-  }
-  // The render process can not write to a file, so copy the result into
-  // a string and pass it to the handler (which runs on the browser host).
-  std::string result(profile);
-  delete profile;
-  Send(new ViewHostMsg_WriteTcmallocHeapProfile_ACK(filename, result));
-}
-
 #endif
 
 void ChromeRenderProcessObserver::OnSetFieldTrialGroup(