Never instrument the crazy linker.

base/base.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 1397 matching lines @@
           'conditions': [
             ['android_webview_build == 0 and target_arch != "x64" and \
                target_arch != "arm64"', {
               # Avoid breaking the webview/64-bit build because they
               # don't have <(android_ndk_root)/crazy_linker.gyp.
               # Note that webview never uses the linker anyway.
               # Note there is no 64-bit support in the linker.
               'sources': [
                 'android/linker/linker_jni.cc',
               ],
+              # The crazy linker is never instrumented.
+              'cflags!': [
+                '-finstrument-functions',
+              ],
               'dependencies': [
                 '<(android_ndk_root)/crazy_linker.gyp:crazy_linker',
               ],
             }],
           ],
         },
 
       ],
     }],
     ['OS == "android"', {
@@ skipping 56 matching lines @@
             'base_unittests.isolate',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }