Linux: set the process title (that shows in "ps" etc.) of renderers correctly when using the zygote.

chrome/browser/renderer_host/browser_render_process_host.cc

Index: chrome/browser/renderer_host/browser_render_process_host.cc
===================================================================
--- chrome/browser/renderer_host/browser_render_process_host.cc	(revision 25770)
+++ chrome/browser/renderer_host/browser_render_process_host.cc	(working copy)
@@ -300,8 +300,12 @@
   if (logging::DialogsAreSuppressed())
     cmd_line.AppendSwitch(switches::kNoErrorDialogs);
 
-  // propagate the following switches to the renderer command line
-  // (along with any associated values) if present in the browser command line
+  // Pass the process type first, so it shows first in process listings.
+  cmd_line.AppendSwitchWithValue(switches::kProcessType,
+                                 switches::kRendererProcess);
+
+  // Propagate the following switches to the renderer command line (along
+  // with any associated values) if present in the browser command line.
   static const wchar_t* const switch_names[] = {
     switches::kRendererAssertTest,
     switches::kRendererCrashTest,
@@ -372,9 +376,6 @@
   }
 #endif  // OS_POSIX
 
-  cmd_line.AppendSwitchWithValue(switches::kProcessType,
-                                 switches::kRendererProcess);
-
   cmd_line.AppendSwitchWithValue(switches::kProcessChannelID,
                                  ASCIIToWide(channel_id));