Rename DatabaseTaskSynchronizer to TaskSynchronizer and move it to platform/

Source/platform/blink_platform.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
     '../build/scripts/scripts.gypi',
     '../build/win/precompile.gypi',
     'blink_platform.gypi',
   ],
   'targets': [{
     'target_name': 'blink_common',
     'type': '<(component)',
     'variables': { 'enable_wexit_time_destructors': 1 },
     'dependencies': [
       '../config.gyp:config',
+      '../heap/blink_heap.gyp:blink_heap',
       '../wtf/wtf.gyp:wtf',
       # FIXME: Can we remove the dependency on Skia?
       '<(DEPTH)/skia/skia.gyp:skia',
     ],
     'all_dependent_settings': {
       'include_dirs': [
         '..',
       ],
     },
     'export_dependent_settings': [
@@ skipping 65 matching lines @@
           ],
         },
       }],
     ],
   },
   {
     'target_name': 'blink_platform',
     'type': '<(component)',
     'dependencies': [
       '../config.gyp:config',
+      '../heap/blink_heap.gyp:blink_heap',
       '../wtf/wtf.gyp:wtf',
       'blink_common',
       'blink_prerequisites',
       '<(DEPTH)/gpu/gpu.gyp:gles2_c_lib',
       '<(DEPTH)/skia/skia.gyp:skia',
       '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
       '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
       '<(DEPTH)/third_party/libpng/libpng.gyp:libpng',
       '<(DEPTH)/third_party/libwebp/libwebp.gyp:libwebp',
       '<(DEPTH)/third_party/ots/ots.gyp:ots',
@@ skipping 280 matching lines @@
           ['OS=="android"', {
             'cflags!': ['-mthumb'],
           }],
         ],
       },{  # target_arch!="arm"
         'type': 'none',
       }],
     ],
   }],
 }