Roll DEPS for Breakpad r897:r902. Mostly changes being upstreamed from CrOS's branch. Cleanup som...

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 14 matching lines @@
           'chromeos%': 0,
 
           # Whether we are using Views Toolkit
           'toolkit_views%': 0,
 
           # Whether the compositor is enabled on views.
           'views_compositor%': 0,
 
           # Whether or not we are using the Aura windowing framework.
           'use_aura%': 0,
-          
+
           # Whether or not we are building the Ash shell.
           'use_ash%': 0,
 
           # Use OpenSSL instead of NSS. Under development: see http://crbug.com/62803
           'use_openssl%': 0,
 
           # Disable Virtual keyboard support by default.
           'use_virtual_keyboard%': 0,
 
           # Default setting for use_skia on mac platform.
@@ skipping 19 matching lines @@
         'conditions': [
           [ 'OS=="win" or OS=="mac"', {
             'host_arch%': 'ia32',
           }, {
             # This handles the Unix platforms for which there is some support.
             # Anything else gets passed through, which probably won't work very
             # well; such hosts should pass an explicit target_arch to gyp.
             'host_arch%':
               '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/i86pc/ia32/")',
           }],
-          
+
           # Ash requires Aura.
           ['use_ash==1', {
             'use_aura%': 1,
           }],
 
           # show aura-window-mode about flag by default.
           ['use_aura==1', {
             'aura_show_about_flag_window_mode': 1,
           }],
 
@@ skipping 2720 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }