Fix PEImage tests to use a checked in binary.

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 30de275f47cb2d5a0c48a7e25beb3c4686bae5a7..bb86dddbdb21a223e94493bb8b6d86281f0bae6e 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -778,9 +778,6 @@
             'message_loop/message_pump_libevent_unittest.cc',
             'threading/worker_pool_posix_unittest.cc',
           ],
-          'dependencies': [
-            'pe_image_test',
-          ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [
             4267,
@@ -1551,6 +1548,8 @@
           },
         },
         {
+          # Target to manually rebuild pe_image_test.dll which is checked into
+          # base/test/data/pe_image.
           'target_name': 'pe_image_test',
           'type': 'shared_library',
           'sources': [