Remove base::kInvalidPlatformFileValue from Chrome

chrome/renderer/translate/translate_helper.cc

Index: chrome/renderer/translate/translate_helper.cc
diff --git a/chrome/renderer/translate/translate_helper.cc b/chrome/renderer/translate/translate_helper.cc
index b3c758da84d1bec037903eece349c5d344a3f38c..f29b31ff9007e331b0e7d08ed0c442219559ffdf 100644
--- a/chrome/renderer/translate/translate_helper.cc
+++ b/chrome/renderer/translate/translate_helper.cc
@@ -626,7 +626,8 @@ void TranslateHelper::OnCLDDataAvailable(
     const IPC::PlatformFileForTransit ipc_file_handle,
     const uint64 data_offset,
     const uint64 data_length) {
-  LoadCLDDData(ipc_file_handle, data_offset, data_length);
+  LoadCLDDData(IPC::PlatformFileForTransitToFile(ipc_file_handle), data_offset,
+               data_length);
   if (deferred_page_capture_ && CLD2::isDataLoaded()) {
     deferred_page_capture_ = false; // Don't do this a second time.
     PageCaptured(deferred_page_id_, deferred_contents_);
@@ -636,7 +637,7 @@ void TranslateHelper::OnCLDDataAvailable(
 }
 
 void TranslateHelper::LoadCLDDData(
-    const IPC::PlatformFileForTransit ipc_file_handle,
+    base::File file,
     const uint64 data_offset,
     const uint64 data_length) {
   // Terminate immediately if told to stop polling.
@@ -647,18 +648,14 @@ void TranslateHelper::LoadCLDDData(
   if (CLD2::isDataLoaded())
     return;
 
-  // Grab the file handle
-  base::PlatformFile platform_file =
-      IPC::PlatformFileForTransitToPlatformFile(ipc_file_handle);
-  if (platform_file == base::kInvalidPlatformFileValue) {
+  if (!file.IsValid()) {
     LOG(ERROR) << "Can't find the CLD data file.";
     return;
   }
-  base::File basic_file(platform_file);
 
   // mmap the file
   s_cld_mmap_.Get().value = new base::MemoryMappedFile();
-  bool initialized = s_cld_mmap_.Get().value->Initialize(basic_file.Pass());
+  bool initialized = s_cld_mmap_.Get().value->Initialize(file.Pass());
   if (!initialized) {
     LOG(ERROR) << "mmap initialization failed";
     delete s_cld_mmap_.Get().value;