Create a thermal manager class and wire it in to nanobench behind a flag

gyp/tools.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
     # GYP file to build various tools.
 #
 # To build on Linux:
 #  ./gyp_skia tools.gyp && make tools
 #
 {
@@ skipping 396 matching lines @@
       'target_name': 'whitelist_typefaces',
       'type': 'executable',
       'sources': [
         '../tools/whitelist_typefaces.cpp',
       ],
       'dependencies': [
         'skia_lib.gyp:skia_lib',
       ],
     },
     {
+      'target_name': 'thermal_manager',
+      'type': 'static_library',
+      'sources': [
+        '../tools/ThermalManager.cpp',
+      ],
+      'dependencies': [
+        'skia_lib.gyp:skia_lib',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [ '../tools', ],
+      },
+    },
+    {
       'target_name': 'test_public_includes',
       'type': 'static_library',
       # Ensure that our public headers don't have unused params so that clients
       # (e.g. Android) that include us can build with these warnings enabled
       'cflags!': [ '-Wno-unused-parameter' ],
       'variables': {
         'includes_to_test': [
           '<(skia_include_path)/android',
           '<(skia_include_path)/animator',
           '<(skia_include_path)/c',
@@ skipping 142 matching lines @@
               'flags.gyp:flags',
               'skia_lib.gyp:skia_lib',
               'resources',
             ],
           },
         ],
       },
     ],
   ],
 }