Revert of SkTime::GetNSecs()

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 114 matching lines @@
         'flags.gyp:flags',
         'skia_lib.gyp:skia_lib',
       ],
       'direct_dependent_settings': {
         'include_dirs': [ '../tools', ],
       },
     },
     {
       'target_name' : 'timer',
       'type': 'static_library',
-      'sources': [ '../tools/timer/Timer.cpp' ],
+      'sources': [
+        '../tools/timer/Timer.cpp',
+        '../tools/timer/TimerData.cpp',
+      ],
+      'include_dirs': [
+        '../include/private',
+        '../src/core',
+        '../src/gpu',
+      ],
       'direct_dependent_settings': {
         'include_dirs': ['../tools/timer'],
       },
-      'dependencies': [ 'skia_lib.gyp:skia_lib' ],
+      'dependencies': [
+        'skia_lib.gyp:skia_lib',
+        'jsoncpp.gyp:jsoncpp',
+      ],
+      'conditions': [
+        ['skia_gpu == 1', {
+          'sources': [ '../tools/timer/GpuTimer.cpp' ],
+        }],
+        [ 'skia_os in ["mac", "ios"]', {
+          'sources': [ '../tools/timer/SysTimer_mach.cpp' ],
+        }],
+        [ 'skia_os == "win"', {
+          'sources': [ '../tools/timer/SysTimer_windows.cpp' ],
+        }],
+        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "android", "chromeos"]', {
+          'sources': [ '../tools/timer/SysTimer_posix.cpp' ],
+        }],
+        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]', {
+          'link_settings': { 'libraries': [ '-lrt' ] },
+        }],
+      ],
     },
     {
       'target_name': 'skdiff',
       'type': 'executable',
       'sources': [
         '../tools/skdiff.cpp',
         '../tools/skdiff.h',
         '../tools/skdiff_html.cpp',
         '../tools/skdiff_html.h',
         '../tools/skdiff_main.cpp',
@@ skipping 583 matching lines @@
               'flags.gyp:flags',
               'skia_lib.gyp:skia_lib',
               'resources',
             ],
           },
         ],
       },
     ],
   ],
 }