Use bundled freetype for tests.

pdfium.gyp

 {
   'variables': {
     'pdf_use_skia%': 0,
     'conditions': [
       ['OS=="linux"', {
         'bundle_freetype%': 0,
       }, {  # On Android there's no system FreeType. On Windows and Mac, only a
             # few methods are used from it.
         'bundle_freetype%': 1,
       }],
@@ skipping 94 matching lines @@
         'public/fpdfview.h',
       ],
       'conditions': [
         ['OS!="win"', {
           'sources!': [
             'fpdfsdk/src/fpdfsdkdll.rc',
           ],
         }],
         ['bundle_freetype==1', {
           'dependencies': [
-            'third_party/third_party.gyp:freetype',
+            'third_party/third_party.gyp:fx_freetype',
           ],
         }, {
           'link_settings': {
             'libraries': [
               '-lfreetype',
             ],
           },
         }],
       ],
       'all_dependent_settings': {
@@ skipping 623 matching lines @@
         'testing/embedder_test.cpp',
         'testing/embedder_test.h',
         'testing/embedder_test_mock_delegate.h',
         'testing/embedder_test_timer_handling_delegate.h',
         'testing/fx_string_testhelpers.cpp',
         'testing/fx_string_testhelpers.h',
       ],
     },
   ],
 }