Move HasSeekPenalty() out of base::SysInfo and base/.

It's only called from one place, so move it there:
- chrome/browser/metrics/drive_metrics_provider.cc

R=rvargas@chromium.org,asvitkine@chromium.org
BUG=463209

Review URL: https://codereview.chromium.org/1051663002

Cr-Commit-Position: refs/heads/master@{#323526}

1 files changed, 0 insertions, 78 deletions

diff --git a/base/sys_info_win.cc b/base/sys_info_win.cc
index eccb6ac..c8314c7 100644
--- a/base/sys_info_win.cc
+++ b/base/sys_info_win.cc
@@ -4,14 +4,10 @@
 
 #include "base/sys_info.h"
 
-#include <ntddscsi.h>
 #include <windows.h>
-#include <winioctl.h>
 
-#include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
-#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
@@ -19,19 +15,6 @@
 
 namespace {
 
-// Semi-copy of similarly named struct from ata.h in WinDDK.
-struct IDENTIFY_DEVICE_DATA {
-  USHORT UnusedWords[217];
-  USHORT NominalMediaRotationRate;
-  USHORT MoreUnusedWords[38];
-};
-COMPILE_ASSERT(sizeof(IDENTIFY_DEVICE_DATA) == 512, IdentifyDeviceDataSize);
-
-struct AtaRequest {
-  ATA_PASS_THROUGH_EX query;
-  IDENTIFY_DEVICE_DATA result;
-};
-
 int64 AmountOfMemory(DWORDLONG MEMORYSTATUSEX::* memory_field) {
   MEMORYSTATUSEX memory_info;
   memory_info.dwLength = sizeof(memory_info);
@@ -80,67 +63,6 @@ int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
   return rv < 0 ? kint64max : rv;
 }
 
-bool SysInfo::HasSeekPenalty(const FilePath& path, bool* has_seek_penalty) {
-  ThreadRestrictions::AssertIOAllowed();
-
-  DCHECK(path.IsAbsolute());
-  DCHECK(has_seek_penalty);
-
-  std::vector<FilePath::StringType> components;
-  path.GetComponents(&components);
-
-  int flags = File::FLAG_OPEN;
-  const bool win7_or_higher = win::GetVersion() >= win::VERSION_WIN7;
-  if (!win7_or_higher)
-    flags |= File::FLAG_READ | File::FLAG_WRITE;
-
-  File volume(FilePath(L"\\\\.\\" + components[0]), flags);
-  if (!volume.IsValid())
-    return false;
-
-  if (win7_or_higher) {
-    STORAGE_PROPERTY_QUERY query = {};
-    query.QueryType = PropertyStandardQuery;
-    query.PropertyId = StorageDeviceSeekPenaltyProperty;
-
-    DEVICE_SEEK_PENALTY_DESCRIPTOR result;
-    DWORD bytes_returned;
-    BOOL success = DeviceIoControl(volume.GetPlatformFile(),
-                                   IOCTL_STORAGE_QUERY_PROPERTY,
-                                   &query, sizeof(query),
-                                   &result, sizeof(result),
-                                   &bytes_returned, NULL);
-    if (success == FALSE || bytes_returned < sizeof(result))
-      return false;
-
-    *has_seek_penalty = result.IncursSeekPenalty != FALSE;
-  } else {
-    AtaRequest request = {};
-    request.query.AtaFlags = ATA_FLAGS_DATA_IN;
-    request.query.CurrentTaskFile[6] = ID_CMD;
-    request.query.DataBufferOffset = sizeof(request.query);
-    request.query.DataTransferLength = sizeof(request.result);
-    request.query.Length = sizeof(request.query);
-    request.query.TimeOutValue = 10;
-
-    DWORD bytes_returned;
-    BOOL success = DeviceIoControl(volume.GetPlatformFile(),
-                                   IOCTL_ATA_PASS_THROUGH,
-                                   &request, sizeof(request),
-                                   &request, sizeof(request),
-                                   &bytes_returned, NULL);
-    if (success == FALSE || bytes_returned < sizeof(request) ||
-        request.query.CurrentTaskFile[0]) {
-      return false;
-    }
-
-    *has_seek_penalty = request.result.NominalMediaRotationRate != 1;
-  }
-
-  return true;
-}
-
-// static
 std::string SysInfo::OperatingSystemName() {
   return "Windows NT";
 }