Enable DMP for system Chromium WebView on Android

base/allocator/allocator.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': {
     'jemalloc_dir': '../../third_party/jemalloc/chromium',
     'tcmalloc_dir': '../../third_party/tcmalloc/chromium',
     'use_vtable_verify%': 0,
   },
@@ skipping 411 matching lines @@
             'ldflags': [
               # Don't let linker rip this symbol out, otherwise the heap&cpu
               # profilers will not initialize properly on startup.
               '-Wl,-uIsHeapProfilerRunning,-uProfilerStart',
               # Do the same for heap leak checker.
               '-Wl,-u_Z21InitialMallocHook_NewPKvj,-u_Z22InitialMallocHook_MMapPKvS0_jiiix,-u_Z22InitialMallocHook_SbrkPKvi',
               '-Wl,-u_Z21InitialMallocHook_NewPKvm,-u_Z22InitialMallocHook_MMapPKvS0_miiil,-u_Z22InitialMallocHook_SbrkPKvl',
               '-Wl,-u_ZN15HeapLeakChecker12IgnoreObjectEPKv,-u_ZN15HeapLeakChecker14UnIgnoreObjectEPKv',
           ]},
         }],
+        # Need to distinguish a non-SDK build for Android WebView
+        # due to differences in C include files.
+        ['OS=="android" and android_webview_build==1', {
+          'defines': ['ANDROID_NON_SDK_BUILD'],
+        }],
         [ 'use_vtable_verify==1', {
           'cflags': [
             '-fvtable-verify=preinit',
           ],
         }],
         [ 'linux_keep_shadow_stacks==1', {
           'sources': [
             '<(tcmalloc_dir)/src/linux_shadow_stacks.cc',
             '<(tcmalloc_dir)/src/linux_shadow_stacks.h',
             '<(tcmalloc_dir)/src/stacktrace_shadow-inl.h',
@@ skipping 220 matching lines @@
           'sources': [
             'type_profiler_map_unittests.cc',
             '<(tcmalloc_dir)/src/gperftools/type_profiler_map.h',
             '<(tcmalloc_dir)/src/type_profiler_map.cc',
           ],
         },
       ],
     }],
   ],
 }