Fix breakpad-related Linux official build breakage.

chrome/chrome.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,
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 2803 matching lines @@
       'dependencies': [
         'app',
         'browser',
         'common',
         'renderer',
         'utility',
         'chrome_resources',
         'chrome_strings',
         'test_support_unit',
         '../app/app.gyp:app_resources',
+        '../breakpad/breakpad.gyp:breakpad_client',
         '../net/net.gyp:net_test_support',
         '../printing/printing.gyp:printing',
         '../webkit/webkit.gyp:webkit',
         '../skia/skia.gyp:skia',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu38/icu38.gyp:icui18n',
         '../third_party/icu38/icu38.gyp:icuuc',
         '../third_party/libxml/libxml.gyp:libxml',
         '../third_party/npapi/npapi.gyp:npapi',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
+        'app/breakpad_linux.h',
+        'app/breakpad_linux_stub.cc',
         'app/breakpad_mac_stubs.mm',
         # *NO* files in chrome/app have unit tests (except keystone_glue)!!!
         # It seems a waste to have an app_unittests target, so for now
         # I add keystone_glue.m explicitly to this target.
         'app/keystone_glue.m',
         'app/keystone_glue_unittest.mm',
         # All unittests in browser, common, and renderer.
         'browser/autocomplete/autocomplete_unittest.cc',
         'browser/autocomplete/autocomplete_popup_view_mac_unittest.mm',
         'browser/autocomplete/history_contents_provider_unittest.cc',
@@ skipping 1019 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }