Linux: forward --log-level from the browser to the zygote.

BUG=none
TEST=pass --log-level=0 on startup, the setting will now be used in the renderers

Review URL: http://codereview.chromium.org/159881

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22455 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/chrome/browser/zygote_host_linux.cc b/chrome/browser/zygote_host_linux.cc
index 9f9e4aa..627d62b 100644
--- a/chrome/browser/zygote_host_linux.cc
+++ b/chrome/browser/zygote_host_linux.cc
@@ -64,9 +64,22 @@ ZygoteHost::ZygoteHost() {
         browser_command_line.GetSwitchValue(switches::kZygoteCmdPrefix);
     cmd_line.PrependWrapper(prefix);
   }
+  // Append any switches from the browser process that need to be forwarded on
+  // to the zygote/renderers.
   if (browser_command_line.HasSwitch(switches::kAllowSandboxDebugging)) {
     cmd_line.AppendSwitch(switches::kAllowSandboxDebugging);
   }
+  if (browser_command_line.HasSwitch(switches::kLoggingLevel)) {
+    cmd_line.AppendSwitchWithValue(switches::kLoggingLevel,
+                                   browser_command_line.GetSwitchValue(
+                                       switches::kLoggingLevel));
+  }
+  if (browser_command_line.HasSwitch(switches::kEnableLogging)) {
+    // Append with value to support --enable-logging=stderr.
+    cmd_line.AppendSwitchWithValue(switches::kEnableLogging,
+                                   browser_command_line.GetSwitchValue(
+                                       switches::kEnableLogging));
+  }
 
   const char* sandbox_binary = NULL;
   struct stat st;