GN: Create a :gles2_interface target to resolve some check errors in //cc.

content/renderer/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/renderer/renderer.gni")
 
 source_set("renderer") {
   # Only the public target should depend on this. All other targets (even
@@ skipping 14 matching lines @@
 
     "//base/allocator",
     "//cc",
     "//cc/blink",
     "//content:resources",
     "//content/common:mojo_bindings",
     "//content/public/child:child_sources",
     "//content/public/common:common_sources",
     "//gin",
     "//gpu",
+    "//gpu/command_buffer/client:gles2_interface",
     "//jingle:jingle_glue",
     "//media",
     "//media/blink",
     "//mojo/bindings/js",
     "//mojo/environment:chromium",
     "//mojo/public/js/bindings",
     "//mojo/public/interfaces/application",
     "//net",
     "//skia",
     "//storage/common",
@@ skipping 134 matching lines @@
       "media/crypto/pepper_cdm_wrapper_impl.h",
       "media/crypto/ppapi_decryptor.cc",
       "media/crypto/ppapi_decryptor.h",
     ]
   }
 
   if (printing_mode == 1) {
     deps += [ "//printing" ]
   }
 }