Compile specific parts of the Android build with -O2.

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.
 
 {
   'target_defaults': {
     'variables': {
       # This code gets run a lot and debugged rarely, so it should be fast
       # by default. See http://crbug.com/388949.
       'debug_optimize': '2',
       'win_debug_Optimization': '2',
       # Run time checks are incompatible with any level of optimizations.
       'win_debug_RuntimeChecks': '0',
     },
+    'configurations': {
+      'Release': {
+        'conditions': [
+          ['OS=="android"', {
+            'cflags!': ['-Os'],
+            'cflags': ['-O2'],
+          }],
+        ],
+      },
+    },
   },
   'variables': {
     'tcmalloc_dir': '../../third_party/tcmalloc/chromium',
     'use_vtable_verify%': 0,
   },
   'targets': [
     # Only executables and not libraries should depend on the
     # allocator target; only the application (the final executable)
     # knows what allocator makes sense.
     {
@@ skipping 605 matching lines @@
           'sources': [
             'type_profiler_map_unittest.cc',
             '<(tcmalloc_dir)/src/gperftools/type_profiler_map.h',
             '<(tcmalloc_dir)/src/type_profiler_map.cc',
           ],
         },
       ],
     }],
   ],
 }