Revert 214254 "Add initial prototype for the GN meta-buildsystem."

It broke the check_licenses step on Android (see http://build.chromium.org/p/chromium.linux/builders/Android%20Builder%20%28dbg%29/builds/39904/steps/check_licenses/logs/stdio):

@@@BUILD_STEP check_licenses@@@
> /b/build/slave/Android_Builder__dbg_/build/src/android_webview/tools/webview_licenses.py scan
Got LicenseError "missing README.chromium or licenses.py SPECIAL_CASES entry" while scanning tools/gn/secondary/base/third_party/dynamic_annotations
Got LicenseError "missing README.chromium or licenses.py SPECIAL_CASES entry" while scanning tools/gn/secondary/third_party/modp_b64
< /b/build/slave/Android_Builder__dbg_/build/src/android_webview/tools/webview_licenses.py scan
ERROR: process exited with code 2
@@@STEP_FAILURE@@@


> Add initial prototype for the GN meta-buildsystem.
> 
> This is currently not hooked into the build. To build, add a reference to the
> gn.gyp file to build/all.gyp
> 
> R=darin@chromium.org, scottmg@chromium.org
> 
> Review URL: https://codereview.chromium.org/21114002

TBR=brettw@chromium.org

Review URL: https://codereview.chromium.org/21084010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@214325 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 45 deletions

diff --git a/tools/gn/config.h b/tools/gn/config.h
deleted file mode 100644
index 0ee9b7b..0000000
--- a/tools/gn/config.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// 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.
-
-#ifndef TOOLS_GN_CONFIG_H_
-#define TOOLS_GN_CONFIG_H_
-
-#include "base/compiler_specific.h"
-#include "tools/gn/config_values.h"
-#include "tools/gn/item.h"
-
-class Err;
-class ItemTree;
-class LocationRange;
-class Settings;
-
-// Represents a named config in the dependency graph.
-class Config : public Item {
- public:
-  Config(const Label& label);
-  virtual ~Config();
-
-  virtual Config* AsConfig() OVERRIDE;
-  virtual const Config* AsConfig() const OVERRIDE;
-
-  ConfigValues& config_values() { return config_values_; }
-  const ConfigValues& config_values() const { return config_values_; }
-
-  // Gets or creates a config.
-  //
-  // This is like the TargetManager is for Targets, but Configs are so much
-  // simpler that this one function is all we need.
-  static Config* GetConfig(const Settings* settings,
-                           const LocationRange& specified_from_here,
-                           const Label& label,
-                           Item* dep_from,
-                           Err* err);
-
- private:
-  ConfigValues config_values_;
-
-  DISALLOW_COPY_AND_ASSIGN(Config);
-};
-
-#endif  // TOOLS_GN_CONFIG_H_