[Android] Introduce libheap_profiler for memory profiling.

tools/android/heap_profiler/heap_profiler.gyp

+# Copyright 2014 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.
+
+{
+  'targets': [
+    {
+      # libheap_profiler is the library that will be preloaded in the Android
+      # Zygote and contains the black magic to hook malloc/mmap calls.
+      'target_name': 'heap_profiler',
+      'type': 'shared_library',
+      'include_dirs': [ '../../..' ],
+      'sources': [ 'heap_profiler_hooks_android.c' ],
+      'dependencies': [ 'heap_profiler_core' ],
+    },
+    {
+      # heap_profiler_core contains only the tracking metadata code without any
+      # hooks. It is required by both the hprof library itself and the unittest.
+      'target_name': 'heap_profiler_core',
+      'type': 'static_library',
+      'sources': [
+        'heap_profiler.c',
+        'heap_profiler.h',
+      ],
+      'include_dirs': [ '../../..' ],
+    },
+    {
+      'target_name': 'heap_dump',
+      'type': 'executable',
+      'sources': [ 'heap_dump.c' ],
+      'include_dirs': [ '../../..' ],
+    },
+    {
+      'target_name': 'heap_profiler_unittest',
+      'type': 'executable',
+      'sources': [ 'heap_profiler_unittest.cc' ],
+      'dependencies': [
+        'heap_profiler_core',
+        '../../../testing/gtest.gyp:gtest',
+      ],
+      'include_dirs': [ '../../..' ],
+    },
+    {
+      'target_name': 'heap_profiler_unittest_stripped',
+      'type': 'none',
+      'dependencies': [ 'heap_profiler_unittest' ],
+      'actions': [{
+        'action_name': 'strip heap_profiler_unittest',
+        'inputs': [ '<(PRODUCT_DIR)/heap_profiler_unittest' ],
+        'outputs': [ '<(PRODUCT_DIR)/heap_profiler_unittest_stripped' ],
+        'action': [ '<(android_strip)', '<@(_inputs)', '-o', '<@(_outputs)' ],
+      }],
+    },
+    {
+      'target_name': 'heap_profiler_integrationtest',
+      'type': 'executable',
+      'sources': [ 'heap_profiler_integrationtest.cc' ],
+      'dependencies': [ '../../../testing/gtest.gyp:gtest' ],
+      'include_dirs': [ '../../..' ],
+    },
+    {
+      'target_name': 'heap_profiler_integrationtest_stripped',
+      'type': 'none',
+      'dependencies': [ 'heap_profiler_integrationtest' ],
+      'actions': [{
+        'action_name': 'strip heap_profiler_integrationtest',
+        'inputs': [ '<(PRODUCT_DIR)/heap_profiler_integrationtest' ],
+        'outputs': [ '<(PRODUCT_DIR)/heap_profiler_integrationtest_stripped' ],
+        'action': [ '<(android_strip)', '<@(_inputs)', '-o', '<@(_outputs)' ],
+      }],
+    },
+  ],
+}