extract some common code from PictureRenderer

gyp/tools.gyp

Index: gyp/tools.gyp
diff --git a/gyp/tools.gyp b/gyp/tools.gyp
index 769cf6cd2fcb7690e1d26a93e962a05ab3b48c2d..e3ed7d5d410c9e8062373647a1f65c9f4f1265a6 100644
--- a/gyp/tools.gyp
+++ b/gyp/tools.gyp
@@ -369,6 +369,8 @@
       'target_name': 'picture_renderer',
       'type': 'static_library',
       'sources': [
+        '../tools/image_expectations.h',
+        '../tools/image_expectations.cpp',
         '../tools/LazyDecodeBitmap.cpp',
         '../tools/PictureRenderer.h',
         '../tools/PictureRenderer.cpp',
@@ -388,7 +390,7 @@
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          # needed for JSON headers used within PictureRenderer.h
+          # needed for JSON headers used within image_expectations.h
           '../third_party/externals/jsoncpp-chromium/overrides/include/',
           '../third_party/externals/jsoncpp/include/',
         ],
@@ -398,6 +400,7 @@
         'jsoncpp.gyp:jsoncpp',
         'skia_lib.gyp:skia_lib',
         'tools.gyp:picture_utils',
+        'utils.gyp:utils',

[bungeman-skia, 2014/05/08 16:25:28]

Can't do this, already in skia_lib.gyp.

       ],
       'conditions': [
         ['skia_gpu == 1',