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diff --git a/toolkit/crashreporter/google-breakpad/src/processor/module_comparer.h b/toolkit/crashreporter/google-breakpad/src/processor/module_comparer.h
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--- a/toolkit/crashreporter/google-breakpad/src/processor/module_comparer.h
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@@ -1,98 +0,0 @@
-// Copyright (c) 2010, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// module_comparer.h: ModuleComparer reads a string format of symbol file, and
-// loads the symbol into both BasicSourceLineResolver::Module and
-// FastSourceLineResolve::Module.  It then traverses both Modules and compare
-// the content of data to verify the correctness of new fast module.
-// ModuleCompare class is a tool to verify correctness of a loaded
-// FastSourceLineResolver::Module instance, i.e., in-memory representation of
-// parsed symbol.  ModuleComparer class should be used for testing purpose only,
-// e.g., in fast_source_line_resolver_unittest.
-//
-// Author: lambxsy@google.com (Siyang Xie)
-
-#ifndef PROCESSOR_MODULE_COMPARER_H__
-#define PROCESSOR_MODULE_COMPARER_H__
-
-#include <string>
-
-#include "processor/basic_source_line_resolver_types.h"
-#include "processor/fast_source_line_resolver_types.h"
-#include "processor/module_serializer.h"
-#include "processor/windows_frame_info.h"
-
-namespace google_breakpad {
-
-class ModuleComparer {
- public:
-  ModuleComparer(): fast_resolver_(new FastSourceLineResolver),
-                   basic_resolver_(new BasicSourceLineResolver) { }
-  ~ModuleComparer() {
-    delete fast_resolver_;
-    delete basic_resolver_;
-  }
-
-  // BasicSourceLineResolver loads its module using the symbol data,
-  // ModuleSerializer serialize the loaded module into a memory chunk,
-  // FastSourceLineResolver loads its module using the serialized memory chunk,
-  // Then, traverse both modules together and compare underlying data
-  // return true if both modules contain exactly same data.
-  bool Compare(const string &symbol_data);
-
- private:
-  typedef BasicSourceLineResolver::Module BasicModule;
-  typedef FastSourceLineResolver::Module FastModule;
-  typedef BasicSourceLineResolver::Function BasicFunc;
-  typedef FastSourceLineResolver::Function FastFunc;
-  typedef BasicSourceLineResolver::Line BasicLine;
-  typedef FastSourceLineResolver::Line FastLine;
-  typedef BasicSourceLineResolver::PublicSymbol BasicPubSymbol;
-  typedef FastSourceLineResolver::PublicSymbol FastPubSymbol;
-  typedef WindowsFrameInfo WFI;
-
-  bool CompareModule(const BasicModule *oldmodule,
-                     const FastModule *newmodule) const;
-  bool CompareFunction(const BasicFunc *oldfunc, const FastFunc *newfunc) const;
-  bool CompareLine(const BasicLine *oldline, const FastLine *newline) const;
-  bool ComparePubSymbol(const BasicPubSymbol*, const FastPubSymbol*) const;
-  bool CompareWFI(const WindowsFrameInfo&, const WindowsFrameInfo&) const;
-
-  // Compare ContainedRangeMap
-  bool CompareCRM(const ContainedRangeMap<MemAddr, linked_ptr<WFI> >*,
-                  const StaticContainedRangeMap<MemAddr, char>*) const;
-
-  FastSourceLineResolver *fast_resolver_;
-  BasicSourceLineResolver *basic_resolver_;
-  ModuleSerializer serializer_;
-};
-
-}  // namespace google_breakpad
-
-#endif  // PROCESSOR_MODULE_COMPARER_H__