Move gin and v8 portion of profiling to child from common

chrome/common/profiling.cc

Index: chrome/common/profiling.cc
diff --git a/chrome/common/profiling.cc b/chrome/common/profiling.cc
index 40055183eba0bf18e07f8c0833fb59dcd3fddeca..c8016dcc1026495030077ef718105b86cef81686 100644
--- a/chrome/common/profiling.cc
+++ b/chrome/common/profiling.cc
@@ -17,35 +17,9 @@
 #include "base/threading/thread.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/common/content_switches.h"
-#include "gin/public/debug.h"
-#include "v8/include/v8.h"
 
 namespace {
 
-base::debug::AddDynamicSymbol add_dynamic_symbol_func = NULL;
-base::debug::MoveDynamicSymbol move_dynamic_symbol_func = NULL;
-
-void JitCodeEventHandler(const v8::JitCodeEvent* event) {
-  DCHECK_NE(static_cast<base::debug::AddDynamicSymbol>(NULL),
-            add_dynamic_symbol_func);
-  DCHECK_NE(static_cast<base::debug::MoveDynamicSymbol>(NULL),
-            move_dynamic_symbol_func);
-
-  switch (event->type) {
-    case v8::JitCodeEvent::CODE_ADDED:
-      add_dynamic_symbol_func(event->code_start, event->code_len,
-                              event->name.str, event->name.len);
-      break;
-
-    case v8::JitCodeEvent::CODE_MOVED:
-      move_dynamic_symbol_func(event->code_start, event->new_code_start);
-      break;
-
-    default:
-      break;
-  }
-}
-
 std::string GetProfileName() {
   static const char kDefaultProfileName[] = "chrome-profile-{type}-{pid}";
   CR_DEFINE_STATIC_LOCAL(std::string, profile_name, ());
@@ -135,32 +109,6 @@ void Profiling::ProcessStarted() {
   std::string process_type =
       command_line.GetSwitchValueASCII(switches::kProcessType);
 
-  // Establish the V8 profiling hooks if we're an instrumented binary.
-  if (base::debug::IsBinaryInstrumented()) {
-    base::debug::ReturnAddressLocationResolver resolve_func =
-        base::debug::GetProfilerReturnAddrResolutionFunc();
-
-    if (resolve_func != NULL) {
-      v8::V8::SetReturnAddressLocationResolver(resolve_func);
-    }
-
-    // Set up the JIT code entry handler and the symbol callbacks if the
-    // profiler supplies them.
-    // TODO(siggi): Maybe add a switch or an environment variable to turn off
-    //     V8 profiling?
-    base::debug::DynamicFunctionEntryHook entry_hook_func =
-        base::debug::GetProfilerDynamicFunctionEntryHookFunc();
-    add_dynamic_symbol_func = base::debug::GetProfilerAddDynamicSymbolFunc();
-    move_dynamic_symbol_func = base::debug::GetProfilerMoveDynamicSymbolFunc();
-
-    if (entry_hook_func != NULL &&
-        add_dynamic_symbol_func != NULL &&
-        move_dynamic_symbol_func != NULL) {
-      gin::Debug::SetFunctionEntryHook(entry_hook_func);
-      gin::Debug::SetJitCodeEventHandler(&JitCodeEventHandler);
-    }
-  }
-
   if (command_line.HasSwitch(switches::kProfilingAtStart)) {
     std::string process_type_to_start =
         command_line.GetSwitchValueASCII(switches::kProfilingAtStart);