Remove gfx_unittests target in favor of ui_unittests

tools/valgrind/chrome_tests.py

Index: tools/valgrind/chrome_tests.py
diff --git a/tools/valgrind/chrome_tests.py b/tools/valgrind/chrome_tests.py
index 83494b04689173285e16f04c960f9200889dded6..935c6c1acde0b6734166ecc00d8e0f887aefc96f 100755
--- a/tools/valgrind/chrome_tests.py
+++ b/tools/valgrind/chrome_tests.py
@@ -251,13 +251,6 @@ class ChromeTests:
   def TestFFmpegRegressions(self):
     return self.SimpleTest("chrome", "ffmpeg_regression_tests")
 
-  def TestGfx(self):
-    # Run ui_unittests, a successor of gfx_unittests, since gfx_unittests is
-    # deprecated.
-    # TODO(hbono): This is a band-aid fix. We need to change the master script
-    # so our bots run ui_unittests.
-    return self.SimpleTest("chrome", "ui_unittests")
-
   def TestGPU(self):
     return self.SimpleTest("gpu", "gpu_unittests")
 
@@ -510,7 +503,6 @@ class ChromeTests:
     "ui_unit": TestUIUnit,       "ui_unittests": TestUIUnit,
     "unit": TestUnit,            "unit_tests": TestUnit,
     "views": TestViews,          "views_unittests": TestViews,
-    "gfx": TestGfx,              "gfx_unittests": TestGfx,
   }