Pass ASan .saves file to strip when real .dSYM files are built.

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 3469 matching lines @@
                       'DEPLOYMENT_POSTPROCESSING': 'YES',
                       'STRIP_INSTALLED_PRODUCT': 'YES',
                       'target_conditions': [
                         ['_type=="shared_library" or _type=="loadable_module"', {
                           # The Xcode default is to strip debugging symbols
                           # only (-S).  Local symbols should be stripped as
                           # well, which will be handled by -x.  Xcode will
                           # continue to insert -S when stripping even when
                           # additional flags are added with STRIPFLAGS.
                           'STRIPFLAGS': '-x',
-                        }],  # _type=="shared_library" or _type=="loadable_module"'
+                        }],  # _type=="shared_library" or _type=="loadable_module"
+                        ['_type=="executable"', {
+                          'conditions': [
+                            ['asan==1', {
+                              'STRIPFLAGS': '-s $(CHROMIUM_STRIP_SAVE_FILE)',
+                            }]
+                          ],
+                        }],  # _type=="executable" and asan==1
                       ],  # target_conditions
                     },  # xcode_settings
                   },  # configuration "Release"
                 },  # configurations
               }, {  # mac_real_dsym != 1
                 # To get a fast fake .dSYM bundle, use a post-build step to
                 # produce the .dSYM and strip the executable.  strip_from_xcode
                 # only operates in the Release configuration.
                 'postbuilds': [
                   {
@@ skipping 445 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',
   },
 }