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

base/base.gyp

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 243 matching lines @@
         'scoped_nsautorelease_pool.h',
         'scoped_nsautorelease_pool.mm',
         'scoped_nsdisable_screen_updates.h',
         'scoped_nsobject.h',
         'scoped_ptr.h',
         'scoped_temp_dir.cc',
         'scoped_temp_dir.h',
         'scoped_variant_win.cc',
         'scoped_variant_win.h',
         'scoped_vector.h',
+        'setproctitle_linux.c',
+        'setproctitle_linux.h',
         'sha2.cc',
         'sha2.h',
         'shared_memory.h',
         'shared_memory_posix.cc',
         'shared_memory_win.cc',
         'simple_thread.cc',
         'simple_thread.h',
         'singleton.h',
         'spin_wait.h',
         'stack_container.h',
@@ skipping 117 matching lines @@
               ],
             ],
             'dependencies': [
               '../build/util/build_util.gyp:lastchange',
               '../build/linux/system.gyp:gtk',
               '../build/linux/system.gyp:nss',
             ],
             'cflags': [
               '-Wno-write-strings',
             ],
-            'link_settings': {
-              'libraries': [
+            'link_settings': {
+              'libraries': [
                 # We need rt for clock_gettime().
                 '-lrt',
               ],
             },
             'export_dependent_settings': [
               '../build/linux/system.gyp:gtk',
             ],
           },
           {  # else: OS != "linux" && OS != "freebsd"
             'sources/': [
               ['exclude', '/xdg_mime/'],
             ],
             'sources!': [
               'crypto/signature_verifier_nss.cc',
               'atomicops_internals_x86_gcc.cc',
               'directory_watcher_inotify.cc',
               'hmac_nss.cc',
               'idle_timer_none.cc',
               'linux_util.cc',
               'message_pump_glib.cc',
               'nss_init.cc',
               'nss_init.h',
               'time_posix.cc',
             ],
-          }
+          },
+        ],
+        [ 'OS != "linux"', {
+            'sources!': [
+              # Not automatically excluded by the *linux.cc rules.
+              'setproctitle_linux.c',
+              'setproctitle_linux.h',
+            ],
+          },
         ],
         [ 'GENERATOR == "quentin"', {
             # Quentin builds don't have a recent enough glibc to include the
             # inotify headers
             'sources!': [
               'directory_watcher_inotify.cc',
             ],
             'sources': [
               'directory_watcher_stub.cc',
             ],
@@ skipping 425 matching lines @@
                 '<@(_outputs)',
               ],
               'message': 'Generating version information',
             },
           ],
         },
       ],
     }],
   ],
 }