This patch is to enable the vtune profiling tool support in chrome.

content/renderer/renderer_main_platform_delegate_linux.cc

Index: content/renderer/renderer_main_platform_delegate_linux.cc
===================================================================
--- content/renderer/renderer_main_platform_delegate_linux.cc	(revision 199089)
+++ content/renderer/renderer_main_platform_delegate_linux.cc	(working copy)
@@ -14,6 +14,10 @@
 #include "content/public/common/content_switches.h"
 #include "content/public/common/sandbox_init.h"
 
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+#include "v8/src/third_party/vtune/v8-vtune.h"
+#endif
+
 namespace content {
 
 RendererMainPlatformDelegate::RendererMainPlatformDelegate(
@@ -25,6 +29,13 @@
 }
 
 void RendererMainPlatformDelegate::PlatformInitialize() {
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+  const CommandLine& command_line = parameters_.command_line;
+  // If user enables vtune support, the initialization of vtune support
+  // is invoked so that the required call-back function is registered in V8.

[Avi (use Gerrit), 2013/05/10 18:20:47]

This comment still doesn't explain anything that the code doesn't. You can omit
this comment entirely.

+  if (command_line.HasSwitch(switches::kEnableVtune))
+    vTune::InitializeVtuneForV8();
+#endif
 }
 
 void RendererMainPlatformDelegate::PlatformUninitialize() {