Expose WebCore log channels on the chrome command line

chrome/renderer/render_thread.cc

Index: chrome/renderer/render_thread.cc
diff --git a/chrome/renderer/render_thread.cc b/chrome/renderer/render_thread.cc
index fc74a39a0696773e8f541cba2186426aed25914b..d2df9d9b75450f1e4294d2f276fd8a1d05336357 100644
--- a/chrome/renderer/render_thread.cc
+++ b/chrome/renderer/render_thread.cc
@@ -95,6 +95,7 @@
 #include "webkit/extensions/v8/benchmarking_extension.h"
 #include "webkit/extensions/v8/gears_extension.h"
 #include "webkit/extensions/v8/playback_extension.h"
+#include "webkit/glue/webkit_glue.h"
 #include "v8/include/v8.h"
 
 #if defined(OS_WIN)
@@ -865,6 +866,9 @@ void RenderThread::EnsureWebKitInitialized() {
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
+  webkit_glue::EnableWebCoreLogChannels(
+      command_line.GetSwitchValueASCII(switches::kWebCoreLogChannels));
+
   // chrome: pages should not be accessible by normal content, and should
   // also be unable to script anything but themselves (to help limit the damage
   // that a corrupt chrome: page could cause).