Revert of SkTime::GetNSecs()

gyp/tools.gyp

Index: gyp/tools.gyp
diff --git a/gyp/tools.gyp b/gyp/tools.gyp
index a4f8cfd62ab9ccea85060ad32dc63ec9fff9cb5e..c25543ef2d46bb269b91e81f349b69bafc3f078d 100644
--- a/gyp/tools.gyp
+++ b/gyp/tools.gyp
@@ -132,11 +132,39 @@
     {
       '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',