Keep only base/extractor.[cc|h].

statsreport/formatter.h

-// Copyright 2006-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Utility class to format metrics to a string suitable for posting to
-// TB stats server.
-#ifndef OMAHA_STATSREPORT_FORMATTER_H__
-#define OMAHA_STATSREPORT_FORMATTER_H__
-
-#include "base/basictypes.h"
-#include "metrics.h"
-#include <strstream>
-
-namespace stats_report {
-
-/// A utility class that knows how to turn metrics into a string for
-/// reporting to the Toolbar stats server.
-/// This code is mostly appropriated from the toolbars stats formatter
-class Formatter {
-public:
-  /// @param name the name of the application to report stats against
-  Formatter(const char *name, uint32 measurement_secs);
-  ~Formatter();
-
-  /// Add metric to the output string
-  void AddMetric(MetricBase *metric);
-
-  /// Add typed metrics to the output string
-  /// @{
-  void AddCount(const char *name, int64 value);
-  void AddTiming(const char *name, int64 num, int64 avg, int64 min,
-                 int64 max);
-  void AddInteger(const char *name, int64 value);
-  void AddBoolean(const char *name, bool value);
-  /// @}
-
-  /// Terminates the output string and returns it.
-  /// It is an error to add metrics after output() is called.
-  const char *output() { output_ << std::ends; return output_.str(); }
-
-private:
-  DISALLOW_EVIL_CONSTRUCTORS(Formatter);
-
-  mutable std::strstream output_;
-};
-
-} // namespace stats_report
-
-#endif  // OMAHA_STATSREPORT_FORMATTER_H__