Remove GN GYP generator.

tools/gn/gyp_target_writer.h

Index: tools/gn/gyp_target_writer.h
diff --git a/tools/gn/gyp_target_writer.h b/tools/gn/gyp_target_writer.h
deleted file mode 100644
index 09bb820f654ab6011e0fb88788b4e61449a0c3c6..0000000000000000000000000000000000000000
--- a/tools/gn/gyp_target_writer.h
+++ /dev/null
@@ -1,98 +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_GYP_TARGET_WRITER_H_
-#define TOOLS_GN_GYP_TARGET_WRITER_H_
-
-#include <iosfwd>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "tools/gn/gyp_helper.h"
-#include "tools/gn/path_output.h"
-
-class BuilderRecord;
-class Err;
-class Settings;
-class SourceFile;
-class Target;
-class Toolchain;
-
-class GypTargetWriter {
- public:
-  struct TargetGroup {
-    TargetGroup();
-
-    // Returns "a" record associated with this group. This is used when getting
-    // general things like the sources list that should be the same across all
-    // records in a group.
-    const BuilderRecord* get() const {
-      // We assume we always have either a host or a target debug build.
-      return debug ? debug : host_debug;
-    }
-
-    const BuilderRecord* debug;
-    const BuilderRecord* release;
-
-    // When the main compile is targeting a different architecture, these will
-    // contain the builds with the host system's toolchain. Only supported on
-    // Linux.
-    const BuilderRecord* host_debug;
-    const BuilderRecord* host_release;
-
-    // On Windows, we do both 32-bit and 64-bit builds. Null on non-Windows.
-    const BuilderRecord* debug64;
-    const BuilderRecord* release64;
-
-    // On Mac/iOS, there are some nontrivial differences between the GYP Ninja
-    // build and the GYP XCode build. In GYP, these are parameterized as
-    // conditions using the generator flag. To emulate this, we have different
-    // builds for the XCode and Ninja versions of the GYP file, and the
-    // generator wraps everything in a big condition so that GYP does the right
-    // thing.
-    //
-    // These refer to the GYP-XCode build. The "regular" debug and release
-    // targets above refer to the GYP-Ninja build.
-    const BuilderRecord* xcode_debug;
-    const BuilderRecord* xcode_release;
-
-    // Optional host versions of the xcode config when cross-compiling to iOS.
-    const BuilderRecord* xcode_host_debug;
-    const BuilderRecord* xcode_host_release;
-  };
-
-  GypTargetWriter(const Target* target,
-                  const Toolchain* toolchain,
-                  const SourceDir& gyp_dir,
-                  std::ostream& out);
-  virtual ~GypTargetWriter();
-
-  static void WriteFile(const SourceFile& gyp_file,
-                        const std::vector<TargetGroup>& targets,
-                        const Toolchain* debug_toolchain,
-                        Err* err);
-
-  virtual void Run() = 0;
-
- protected:
-  // Writes the given number of spaces to the output stream and returns it.
-  std::ostream& Indent(int spaces);
-  static std::ostream& Indent(std::ostream& out, int spaces);
-
-  static const int kExtraIndent = 2;
-
-  const Settings* settings_;  // Non-owning.
-  const Target* target_;  // Non-owning.
-  const Toolchain* toolchain_;  // Toolchain corresponding to target_.
-  SourceDir gyp_dir_;  // Dir of GYP file.
-  std::ostream& out_;
-
-  GypHelper helper_;
-  PathOutput path_output_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(GypTargetWriter);
-};
-
-#endif  // TOOLS_GN_GYP_TARGET_WRITER_H_