Create image cache for use by json canvas

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 386 matching lines @@
       'type': 'static_library',
       'sources': [
         '../tools/ProcStats.h',
         '../tools/ProcStats.cpp',
       ],
       'direct_dependent_settings': {
         'include_dirs': [ '../tools', ],
       },
     },
     {
+      'target_name': 'url_data_manager',
+      'type': 'static_library',
+      'sources': [
+        '../tools/UrlDataManager.h',
+        '../tools/UrlDataManager.cpp',
+      ],
+      'dependencies': [
+        'skia_lib.gyp:skia_lib',
+      ],
+      'include_dirs': [
+         '../include/private',
+         '../src/core',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../include/private',
+          '../tools', 
+        ],
+      },
+    },
+    {
       'target_name': 'whitelist_typefaces',
       'type': 'executable',
       'sources': [
         '../tools/whitelist_typefaces.cpp',
       ],
       'dependencies': [
         'skia_lib.gyp:skia_lib',
       ],
     },
     {
@@ skipping 152 matching lines @@
               'flags.gyp:flags',
               'skia_lib.gyp:skia_lib',
               'resources',
             ],
           },
         ],
       },
     ],
   ],
 }