Allow windows ASAN build to work

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 1348 matching lines @@
       ['clang_use_chrome_plugins==1 and OS!="win"', {
         'clang_chrome_plugins_flags': [
           '<!@(<(DEPTH)/tools/clang/scripts/plugin_flags.sh)'
         ],
       }],
 
       ['enable_web_intents_tag==1', {
         'grit_defines': ['-D', 'enable_web_intents_tag'],
       }],
 
-      ['asan==1', {
+      ['asan==1 and OS!="win"', {
         'clang%': 1,
       }],
       ['asan==1 and OS=="mac"', {
         # See http://crbug.com/145503.
         'component': "static_library",
       }],
       ['tsan==1', {
         'clang%': 1,
       }],
 
@@ skipping 362 matching lines @@
       ['enable_eglimage==1', {
         'defines': [
           'ENABLE_EGLIMAGE=1',
         ],
       }],
       ['use_skia==1', {
         'defines': [
           'USE_SKIA=1',
         ],
       }],
+      ['asan==1 and OS=="win"', {
+        # Since asan on windows uses Syzygy, we need /PROFILE turned on to
+        # produce appropriate pdbs.
+        'msvs_settings': {
+          'VCLinkerTool': {
+            'Profile': 'true',
+          },
+        },
+      }],  # asan==1 and OS=="win"
       ['coverage!=0', {
         'conditions': [
           ['OS=="mac" or OS=="ios"', {
             'xcode_settings': {
               'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',  # -fprofile-arcs
               'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',  # -ftest-coverage
             },
           }],
           ['OS=="mac"', {
             # Add -lgcov for types executable, shared_library, and
@@ skipping 2084 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',
   },
 }