Remove implicit HANDLE conversions from base.

base/test/test_file_util_win.cc

Index: base/test/test_file_util_win.cc
diff --git a/base/test/test_file_util_win.cc b/base/test/test_file_util_win.cc
index 94eb3ef66ebeecb176fb22e585d899963f640509..fd22a636d3d9ee6289b22429d93d22653e72445c 100644
--- a/base/test/test_file_util_win.cc
+++ b/base/test/test_file_util_win.cc
@@ -136,12 +136,12 @@ bool EvictFileFromSystemCache(const FilePath& file) {
   base::win::ScopedHandle file_handle(
       CreateFile(file.value().c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL,
                  OPEN_EXISTING, FILE_FLAG_NO_BUFFERING, NULL));
-  if (!file_handle)
+  if (!file_handle.IsValid())
     return false;
 
   // Get some attributes to restore later.
   BY_HANDLE_FILE_INFORMATION bhi = {0};
-  CHECK(::GetFileInformationByHandle(file_handle, &bhi));
+  CHECK(::GetFileInformationByHandle(file_handle.Get(), &bhi));
 
   // Execute in chunks. It could be optimized. We want to do few of these since
   // these operations will be slow without the cache.
@@ -159,7 +159,7 @@ bool EvictFileFromSystemCache(const FilePath& file) {
   DWORD bytes_read, bytes_written;
   for (;;) {
     bytes_read = 0;
-    ::ReadFile(file_handle, buffer, kOneMB, &bytes_read, NULL);
+    ::ReadFile(file_handle.Get(), buffer, kOneMB, &bytes_read, NULL);
     if (bytes_read == 0)
       break;
 
@@ -176,8 +176,8 @@ bool EvictFileFromSystemCache(const FilePath& file) {
     // Note that SetFilePointer will also fail if total_bytes isn't sector
     // aligned, but that shouldn't happen here.
     DCHECK((total_bytes % kOneMB) == 0);
-    SetFilePointer(file_handle, total_bytes, NULL, FILE_BEGIN);
-    if (!::WriteFile(file_handle, buffer, kOneMB, &bytes_written, NULL) ||
+    SetFilePointer(file_handle.Get(), total_bytes, NULL, FILE_BEGIN);
+    if (!::WriteFile(file_handle.Get(), buffer, kOneMB, &bytes_written, NULL) ||
         bytes_written != kOneMB) {
       BOOL freed = VirtualFree(buffer, 0, MEM_RELEASE);
       DCHECK(freed);
@@ -202,14 +202,14 @@ bool EvictFileFromSystemCache(const FilePath& file) {
     file_handle.Set(NULL);
     file_handle.Set(CreateFile(file.value().c_str(), GENERIC_WRITE, 0, NULL,
                                OPEN_EXISTING, 0, NULL));
-    CHECK_NE(SetFilePointer(file_handle, total_bytes, NULL, FILE_BEGIN),
+    CHECK_NE(SetFilePointer(file_handle.Get(), total_bytes, NULL, FILE_BEGIN),
              INVALID_SET_FILE_POINTER);
-    CHECK(::SetEndOfFile(file_handle));
+    CHECK(::SetEndOfFile(file_handle.Get()));
   }
 
   // Restore the file attributes.
-  CHECK(::SetFileTime(file_handle, &bhi.ftCreationTime, &bhi.ftLastAccessTime,
-                      &bhi.ftLastWriteTime));
+  CHECK(::SetFileTime(file_handle.Get(), &bhi.ftCreationTime,
+                      &bhi.ftLastAccessTime, &bhi.ftLastWriteTime));
 
   return true;
 }