Move ProgramCompare from setup_util to install_util.

chrome/installer/setup/setup_util.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 //
 // This file declares util functions for setup project.
 
 #include "chrome/installer/setup/setup_util.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
@@ skipping 119 matching lines @@
       PLOG(ERROR) << "VirtualAllocEx";
       ::TerminateProcess(pi.hProcess, ~0);
     }
     ::CloseHandle(pi.hThread);
     ::CloseHandle(pi.hProcess);
   }
 
   return ok != FALSE;
 }
 
-// Open |path| with minimal access to obtain information about it, returning
-// true and populating |handle| on success.
-// static
-bool ProgramCompare::OpenForInfo(const FilePath& path,
-                                 base::win::ScopedHandle* handle) {
-  DCHECK(handle);
-  handle->Set(base::CreatePlatformFile(path, base::PLATFORM_FILE_OPEN, NULL,
-                                       NULL));
-  return handle->IsValid();
-}
-
-// Populate |info| for |handle|, returning true on success.
-// static
-bool ProgramCompare::GetInfo(const base::win::ScopedHandle& handle,
-                             BY_HANDLE_FILE_INFORMATION* info) {
-  DCHECK(handle.IsValid());
-  return GetFileInformationByHandle(
-      const_cast<base::win::ScopedHandle&>(handle), info) != 0;
-}
-
-ProgramCompare::ProgramCompare(const FilePath& path_to_match)
-    : path_to_match_(path_to_match),
-      file_handle_(base::kInvalidPlatformFileValue),
-      file_info_() {
-  DCHECK(!path_to_match_.empty());
-  if (!OpenForInfo(path_to_match_, &file_handle_)) {
-    PLOG(WARNING) << "Failed opening " << path_to_match_.value()
-                  << "; falling back to path string comparisons.";
-  } else if (!GetInfo(file_handle_, &file_info_)) {
-    PLOG(WARNING) << "Failed getting information for "
-                  << path_to_match_.value()
-                  << "; falling back to path string comparisons.";
-    file_handle_.Close();
-  }
-}
-
-ProgramCompare::~ProgramCompare() {
-}
-
-bool ProgramCompare::Evaluate(const std::wstring& value) const {
-  // Suss out the exe portion of the value, which is expected to be a command
-  // line kinda (or exactly) like:
-  // "c:\foo\bar\chrome.exe" -- "%1"
-  FilePath program(CommandLine::FromString(value).GetProgram());
-  if (program.empty()) {
-    LOG(WARNING) << "Failed to parse an executable name from command line: \""
-                 << value << "\"";
-    return false;
-  }
-
-  // Try the simple thing first: do the paths happen to match?
-  if (FilePath::CompareEqualIgnoreCase(path_to_match_.value(), program.value()))
-    return true;
-
-  // If the paths don't match and we couldn't open the expected file, we've done
-  // our best.
-  if (!file_handle_.IsValid())
-    return false;
-
-  // Open the program and see if it references the expected file.
-  base::win::ScopedHandle handle;
-  BY_HANDLE_FILE_INFORMATION info = {};
-
-  return (OpenForInfo(program, &handle) &&
-          GetInfo(handle, &info) &&
-          info.dwVolumeSerialNumber == file_info_.dwVolumeSerialNumber &&
-          info.nFileIndexHigh == file_info_.nFileIndexHigh &&
-          info.nFileIndexLow == file_info_.nFileIndexLow);
-}
-
 }  // namespace installer