Revert 37009 - Adding geolocation data provider infrastructure to Chrome....

chrome/browser/geolocation/wifi_data_provider_common.cc

-// Copyright 2008, Google Inc.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-//  1. Redistributions of source code must retain the above copyright notice,
-//     this list of conditions and the following disclaimer.
-//  2. 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.
-//  3. 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 AUTHOR ``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 AUTHOR 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.
-
-#include "gears/geolocation/wifi_data_provider_common.h"
-
-#include <assert.h>
-
-#if defined(WIN32) || defined(OS_MACOSX)
-
-#if defined(WIN32)
-#include <windows.h>
-#elif defined(OS_MACOSX)
-#include <CoreFoundation/CoreFoundation.h>
-#include "gears/base/common/string_utils_osx.h"
-#include "gears/base/safari/scoped_cf.h"
-#include "third_party/scoped_ptr/scoped_ptr.h"  // For scoped_array
-#endif
-
-std::string16 MacAddressAsString16(const uint8 mac_as_int[6]) {
-  // mac_as_int is big-endian. Write in byte chunks.
-  // Format is XX-XX-XX-XX-XX-XX.
-  static const char16 *kMacFormatString =
-      STRING16(L"%02x-%02x-%02x-%02x-%02x-%02x");
-#ifdef OS_MACOSX
-  scoped_cftype<CFStringRef> format_string(CFStringCreateWithCharacters(
-      kCFAllocatorDefault,
-      kMacFormatString,
-      std::char_traits<char16>::length(kMacFormatString)));
-  scoped_cftype<CFStringRef> mac_string(CFStringCreateWithFormat(
-      kCFAllocatorDefault,
-      NULL,  // not implemented
-      format_string.get(),
-      mac_as_int[0], mac_as_int[1], mac_as_int[2],
-      mac_as_int[3], mac_as_int[4], mac_as_int[5]));
-  std::string16 mac;
-  CFStringRefToString16(mac_string.get(), &mac);
-  return mac;
-#else
-  char16 mac[18];
-#ifdef DEBUG
-  int num_characters =
-#endif
-      wsprintf(mac, kMacFormatString,
-               mac_as_int[0], mac_as_int[1], mac_as_int[2],
-               mac_as_int[3], mac_as_int[4], mac_as_int[5]);
-  assert(num_characters == 17);
-  return mac;
-#endif
-}
-
-#endif  // WIN32 || OS_MACOSX
-
-#if defined(WIN32) || defined(OS_MACOSX) || defined(LINUX)
-
-// These constants are defined for each platfrom in wifi_data_provider_xxx.cc.
-extern const int kDefaultPollingInterval;
-extern const int kNoChangePollingInterval;
-extern const int kTwoNoChangePollingInterval;
-
-int UpdatePollingInterval(int polling_interval, bool scan_results_differ) {
-  if (scan_results_differ) {
-    return kDefaultPollingInterval;
-  }
-  if (polling_interval == kDefaultPollingInterval) {
-    return kNoChangePollingInterval;
-  } else {
-    assert(polling_interval == kNoChangePollingInterval ||
-           polling_interval == kTwoNoChangePollingInterval);
-    return kTwoNoChangePollingInterval;
-  }
-}
-
-#endif  // WIN32 || OS_MACOSX || LINUX