Add allocator.gyp target to gpu_unittests to fix heapcheck build

BUG=241938
R=piman@chromium.org

Review URL: https://codereview.chromium.org/16360018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204015 0039d316-1c4b-4281-b951-d872f2087c98

gpu/gpu.gyp

@@ -228,6 +228,12 @@
             '../testing/android/native_test.gyp:native_test_native_code',
           ],
         }],
+        # See http://crbug.com/162998#c4 for why this is needed.
+        ['OS=="linux" and linux_use_tcmalloc==1', {
+          'dependencies': [
+            '../base/allocator/allocator.gyp:allocator',
+          ],
+        }],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],