Add command_buffer_gles2

BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 575 matching lines @@
     ]
     deps -= [
       "//crypto:crypto_unittests",  # TODO(GYP)
       "//net:net_unittests",  # TODO(GYP)
     ]
   } else if (!is_android && !is_ios) {
     deps += [ "//breakpad:symupload" ]
   }
 
   if (!is_ios) {
-    deps += [ "//gpu/skia_runner:skia_runner" ]
+    deps += [
+      "//gpu/skia_runner:skia_runner",
+      "//gpu/command_buffer_gles2:command_buffer_gles2",
+    ]
   }
 }
 
 group("gn_only") {
   testonly = true
 
   deps = []
 
   if (!is_ios) {
     deps += [ "//mandoline:all" ]
@@ skipping 323 matching lines @@
       "//ui/views:views_unittests",  # TooltipControllerTest failures
       "//ui/wm:wm_unittests",  # PASSES 4/21/2015
       "//url:url_unittests",  # PASSES 4/17/2015
 
       # TODO(GYP) nacl_integration
       # TODO(GYP) telemetry_perf_unittests
       # TODO(GYP) telemetry_unittests
     ]
   }
 }