experimental/fiddle -> tools/fiddle

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 16 matching lines @@
         'lua_pictures',
         'pinspect',
         'skdiff',
         'skhello',
         'skpinfo',
         'skpmaker',
         'test_public_includes',
         'whitelist_typefaces',
       ],
       'conditions': [
+        ['skia_os == "linux"', { 'dependencies': [ 'fiddle_build_test' ] } ],
         ['skia_shared_lib',
           {
             'dependencies': [
               'sklua', # This can only be built if skia is built as a shared library
             ],
           },
         ],
         [ 'skia_os == "android"',
           {
             'dependencies': [
@@ skipping 534 matching lines @@
             ],
             'dependencies': [
               'flags.gyp:flags',
               'skia_lib.gyp:skia_lib',
               'resources',
             ],
           },
         ],
       },
     ],
+    ['skia_os == "linux"',
+      {
+        'targets': [
+          {
+            'target_name': 'fiddle_build_test',
+            'type': 'executable',
+            'sources': [
+              '../tools/fiddle/draw.cpp',
+              '../tools/fiddle/fiddle_main.cpp',
+              '../tools/fiddle/fiddle_main.h',
+            ],
+            'dependencies': [
+              'skia_lib.gyp:skia_lib',
+              'pdf.gyp:pdf',
+            ],
+            'defines': [ 'FIDDLE_BUILD_TEST' ],
+            'link_settings': { 'libraries': [ '-lOSMesa' ], },
+          },
+        ],
+      },
+    ],
   ],
 }