Revert of Make chrome/common pass "gn check"

ppapi/shared_impl/BUILD.gn

 # Copyright 2015 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.
 
 component("shared_impl") {
   output_name = "ppapi_shared"
 
   sources = [
     "array_var.cc",
     "array_var.h",
@@ skipping 141 matching lines @@
   }
 
   configs += [ "//build/config:precompiled_headers" ]
   defines = [
     "PPAPI_SHARED_IMPLEMENTATION",
 
     # This target goes in the same library as thunk (in GYP they are the same).
     "PPAPI_THUNK_IMPLEMENTATION",
   ]
 
-  public_deps = [
-    "//ppapi/c",
-    "//ppapi/thunk",
-  ]
-
   deps = [
     "//base",
     "//base:i18n",
     "//base/third_party/dynamic_annotations",
     "//gpu/command_buffer/client",
     "//gpu/command_buffer/client:gles2_cmd_helper",
     "//gpu/command_buffer/client:gles2_implementation",
     "//gpu/command_buffer/common",
     "//ipc",
     "//media:shared_memory_support",
+    "//ppapi/c",
+    "//ppapi/thunk",
     "//third_party/icu:icuuc",
     "//url",
   ]
 
   if (!is_nacl) {
     deps += [
       "//skia",
       "//ui/events:events_base",
       "//ui/surface",
     ]
@@ skipping 17 matching lines @@
   deps = [
     "//base/test:test_support",
     "//ipc",
     "//ipc:test_support",
     "//ppapi/proxy",
     "//ppapi/shared_impl",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }