Define kInvalidPlatformFile in base

gin/v8_initializer.cc

 // Copyright 2013 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.
 
 #include "gin/v8_initializer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 26 matching lines @@
 namespace gin {
 
 namespace {
 
 // None of these globals are ever freed nor closed.
 base::MemoryMappedFile* g_mapped_natives = nullptr;
 base::MemoryMappedFile* g_mapped_snapshot = nullptr;
 
 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
 
-const base::PlatformFile kInvalidPlatformFile =
-#if defined(OS_WIN)
-    INVALID_HANDLE_VALUE;
-#else
-    -1;
-#endif
-
 // File handles intentionally never closed. Not using File here because its
 // Windows implementation guards against two instances owning the same
 // PlatformFile (which we allow since we know it is never freed).
 typedef std::map<const char*,
                  std::pair<base::PlatformFile, base::MemoryMappedFile::Region>>
     OpenedFileMap;
 static base::LazyInstance<OpenedFileMap>::Leaky g_opened_files =
     LAZY_INSTANCE_INITIALIZER;
 
 OpenedFileMap::mapped_type& GetOpenedFile(const char* file) {
   OpenedFileMap& opened_files(g_opened_files.Get());
   if (opened_files.find(file) == opened_files.end()) {
-    opened_files[file] =
-        std::make_pair(kInvalidPlatformFile, base::MemoryMappedFile::Region());
+    opened_files[file] = std::make_pair(base::kInvalidPlatformFile,
+                                        base::MemoryMappedFile::Region());
   }
   return opened_files[file];
 }
 
 #if defined(OS_ANDROID)
 const char kNativesFileName64[] = "natives_blob_64.bin";
 const char kSnapshotFileName64[] = "snapshot_blob_64.bin";
 const char kNativesFileName32[] = "natives_blob_32.bin";
 const char kSnapshotFileName32[] = "snapshot_blob_32.bin";
 
@@ skipping 108 matching lines @@
 
   UMA_HISTOGRAM_ENUMERATION("V8.Initializer.OpenV8File.Result",
                             result,
                             OpenV8FileResult::MAX_VALUE);
   return file.TakePlatformFile();
 }
 
 static const OpenedFileMap::mapped_type OpenFileIfNecessary(
     const char* file_name) {
   OpenedFileMap::mapped_type& opened = GetOpenedFile(file_name);
-  if (opened.first == kInvalidPlatformFile) {
+  if (opened.first == base::kInvalidPlatformFile) {
     opened.first = OpenV8File(file_name, &opened.second);
   }
   return opened;
 }
 
 #if defined(V8_VERIFY_EXTERNAL_STARTUP_DATA)
 bool VerifyV8StartupFile(base::MemoryMappedFile** file,
                          const unsigned char* fingerprint) {
   unsigned char output[crypto::kSHA256Length];
   crypto::SHA256HashString(
@@ skipping 44 matching lines @@
   V8_LOAD_FAILED_MAP,
   V8_LOAD_FAILED_VERIFY,
   V8_LOAD_MAX_VALUE
 };
 
 static LoadV8FileResult MapVerify(const OpenedFileMap::mapped_type& file_region,
 #if defined(V8_VERIFY_EXTERNAL_STARTUP_DATA)
                                   const unsigned char* fingerprint,
 #endif
                                   base::MemoryMappedFile** mmapped_file_out) {
-  if (file_region.first == kInvalidPlatformFile)
+  if (file_region.first == base::kInvalidPlatformFile)
     return V8_LOAD_FAILED_OPEN;
   if (!MapV8File(file_region.first, file_region.second, mmapped_file_out))
     return V8_LOAD_FAILED_MAP;
 #if defined(V8_VERIFY_EXTERNAL_STARTUP_DATA)
   if (!VerifyV8StartupFile(mmapped_file_out, fingerprint))
     return V8_LOAD_FAILED_VERIFY;
 #endif  // V8_VERIFY_EXTERNAL_STARTUP_DATA
   return V8_LOAD_SUCCESS;
 }
 
@@ skipping 30 matching lines @@
   }
 }
 
 // static
 void V8Initializer::LoadV8SnapshotFromFD(base::PlatformFile snapshot_pf,
                                          int64_t snapshot_offset,
                                          int64_t snapshot_size) {
   if (g_mapped_snapshot)
     return;
 
-  if (snapshot_pf == kInvalidPlatformFile)
+  if (snapshot_pf == base::kInvalidPlatformFile)
     return;
 
   base::MemoryMappedFile::Region snapshot_region =
       base::MemoryMappedFile::Region::kWholeFile;
   if (snapshot_size != 0 || snapshot_offset != 0) {
     snapshot_region.offset = snapshot_offset;
     snapshot_region.size = snapshot_size;
   }
 
   LoadV8FileResult result = V8_LOAD_SUCCESS;
@@ skipping 11 matching lines @@
                             V8_LOAD_MAX_VALUE);
 }
 
 // static
 void V8Initializer::LoadV8NativesFromFD(base::PlatformFile natives_pf,
                                         int64_t natives_offset,
                                         int64_t natives_size) {
   if (g_mapped_natives)
     return;
 
-  CHECK_NE(natives_pf, kInvalidPlatformFile);
+  CHECK_NE(natives_pf, base::kInvalidPlatformFile);
 
   base::MemoryMappedFile::Region natives_region =
       base::MemoryMappedFile::Region::kWholeFile;
   if (natives_size != 0 || natives_offset != 0) {
     natives_region.offset = natives_offset;
     natives_region.size = natives_size;
   }
 
   if (!MapV8File(natives_pf, natives_region, &g_mapped_natives)) {
     LOG(FATAL) << "Couldn't mmap v8 natives data file";
@@ skipping 136 matching lines @@
     *snapshot_data_out =
         reinterpret_cast<const char*>(g_mapped_snapshot->data());
     *snapshot_size_out = static_cast<int>(g_mapped_snapshot->length());
   } else {
     *snapshot_data_out = NULL;
     *snapshot_size_out = 0;
   }
 }
 
 }  // namespace gin