Move CommandLine to base namespace.

tools/gn/setup.h

 // 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_SETUP_H_
 #define TOOLS_GN_SETUP_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "tools/gn/build_settings.h"
 #include "tools/gn/builder.h"
 #include "tools/gn/loader.h"
 #include "tools/gn/scheduler.h"
 #include "tools/gn/scope.h"
 #include "tools/gn/settings.h"
 #include "tools/gn/token.h"
 #include "tools/gn/toolchain.h"
 
-class CommandLine;
 class InputFile;
 class ParseNode;
 
+namespace base {
+class CommandLine;
+}
+
 extern const char kDotfile_Help[];
 
 // Base class for code shared between Setup and DependentSetup.
 class CommonSetup {
  public:
   virtual ~CommonSetup();
 
   // Returns the scheduler. This is virtual since only the main setup has a
   // scheduler and the derived ones just store pointers.
   virtual Scheduler* GetScheduler() = 0;
@@ skipping 51 matching lines @@
   // and returns false. This includes both RunPreMessageLoop() and
   // RunPostMessageLoop().
   bool Run();
 
   Scheduler& scheduler() { return scheduler_; }
 
   virtual Scheduler* GetScheduler() OVERRIDE;
 
  private:
   // Fills build arguments. Returns true on success.
-  bool FillArguments(const CommandLine& cmdline);
+  bool FillArguments(const base::CommandLine& cmdline);
 
   // Fills the root directory into the settings. Returns true on success.
-  bool FillSourceDir(const CommandLine& cmdline);
+  bool FillSourceDir(const base::CommandLine& cmdline);
 
   // Fills the build directory given the value the user has specified.
   // Must happen after FillSourceDir so we can resolve source-relative
   // paths.
   bool FillBuildDir(const std::string& build_dir);
 
   // Fills the python path portion of the command line. On failure, sets
   // it to just "python".
   void FillPythonPath();
 
   // Run config file.
   bool RunConfigFile();
 
-  bool FillOtherConfig(const CommandLine& cmdline);
+  bool FillOtherConfig(const base::CommandLine& cmdline);
 
   Scheduler scheduler_;
 
   // These empty settings and toolchain are used to interpret the command line
   // and dot file.
   BuildSettings empty_build_settings_;
   Settings empty_settings_;
   Scope dotfile_scope_;
 
   // State for invoking the dotfile.
@@ skipping 35 matching lines @@
   void RunPreMessageLoop();
   bool RunPostMessageLoop();
 
   virtual Scheduler* GetScheduler() OVERRIDE;
 
  private:
   Scheduler* scheduler_;
 };
 
 #endif  // TOOLS_GN_SETUP_H_