Cleanup public includes directory.

gyp/tools.gyp

 # GYP file to build various tools.
 #
 # To build on Linux:
 #  ./gyp_skia tools.gyp && make tools
 #
 {
   'includes': [
     'apptype_console.gypi',
   ],
   'targets': [
@@ skipping 12 matching lines @@
         'pinspect',
         'render_pdfs',
         'render_pictures',
         'skdiff',
         'skhello',
         'skpdiff',
         'skpinfo',
         'skpmaker',
         'skimage',
         'test_image_decoder',
+        'test_public_includes',
       ],
       'conditions': [
         ['skia_shared_lib',
           {
             'dependencies': [
               'sklua', # This can only be built if skia is built as a shared library
             ],
           },
         ],
       ],
@@ skipping 574 matching lines @@
       'target_name': 'proc_stats',
       'type': 'static_library',
       'sources': [
         '../tools/ProcStats.h',
         '../tools/ProcStats.cpp',
       ],
       'direct_dependent_settings': {
         'include_dirs': [ '../tools', ],
       },
     },
+    {
+      'target_name': 'test_public_includes',
+      'type': 'static_library',
+      #'cflags!': [ '-Wno-unused-parameter' ],
+      'variables': {
+        'includes_to_test': [
+          '<(skia_include_path)/animator',
+          '<(skia_include_path)/c',
+          '<(skia_include_path)/config',
+          '<(skia_include_path)/core',
+          '<(skia_include_path)/effects',
+          '<(skia_include_path)/gpu',
+          '<(skia_include_path)/images',
+          '<(skia_include_path)/pathops',
+          '<(skia_include_path)/pdf',
+          '<(skia_include_path)/pipe',
+          '<(skia_include_path)/ports',
+          '<(skia_include_path)/svg',
+          '<(skia_include_path)/utils',
+          '<(skia_include_path)/views',
+          '<(skia_include_path)/xml',
+        ],
+        'paths_to_ignore': [
+          '<(skia_include_path)/gpu/gl/GrGLConfig_chrome.h',
+          '<(skia_include_path)/ports/SkTypeface_mac.h',
+          '<(skia_include_path)/ports/SkTypeface_win.h',
+          '<(skia_include_path)/utils/ios',
+          '<(skia_include_path)/utils/mac',
+          '<(skia_include_path)/utils/win',
+          '<(skia_include_path)/utils/SkDebugUtils.h',
+          '<(skia_include_path)/utils/SkJSONCPP.h',
+          '<(skia_include_path)/utils/SkWGL.h',
+          '<(skia_include_path)/views/animated',
+          '<(skia_include_path)/views/SkOSWindow_Android.h',
+          '<(skia_include_path)/views/SkOSWindow_iOS.h',
+          '<(skia_include_path)/views/SkOSWindow_Mac.h',
+          '<(skia_include_path)/views/SkOSWindow_NaCl.h',
+          '<(skia_include_path)/views/SkOSWindow_SDL.h',
+          '<(skia_include_path)/views/SkOSWindow_Unix.h',
+          '<(skia_include_path)/views/SkOSWindow_Win.h',
+          '<(skia_include_path)/views/SkWindow.h',
+          '<(skia_include_path)/xml/SkJS.h',
+        ],
+      },
+      'include_dirs': [
+        '<@(includes_to_test)',
+      ],
+      'sources': [
+        # unused_param_test.cpp is generated by the action below.
+        '<(INTERMEDIATE_DIR)/test_public_includes.cpp',
+      ],
+      'actions': [
+        {
+          'action_name': 'generate_includes_cpp',
+          'inputs': [
+            '../tools/generate_includes_cpp.py',
+            '<@(includes_to_test)',
+            # This causes the gyp generator on mac to fail
+            #'<@(paths_to_ignore)',
+          ],
+          'outputs': [
+            '<(INTERMEDIATE_DIR)/test_public_includes.cpp',
+          ],
+          'action': ['python', '../tools/generate_includes_cpp.py',
+                               '--ignore', '<(paths_to_ignore)',
+                               '<@(_outputs)', '<@(includes_to_test)'],
+        },
+      ],
+    },
   ],
   'conditions': [
     ['skia_shared_lib',
       {
         'targets': [
           {
             'target_name': 'sklua',
             'product_name': 'skia',
             'product_prefix': '',
             'product_dir': '<(PRODUCT_DIR)/',
@@ skipping 72 matching lines @@
               'flags.gyp:flags',
               'skia_lib.gyp:skia_lib',
               'resources',
             ],
           },
         ],
       },
     ],
   ],
 }