reland 31875. Revert was:...

chrome/renderer/spellchecker/spellcheck.cc

Index: chrome/renderer/spellchecker/spellcheck.cc
===================================================================
--- chrome/renderer/spellchecker/spellcheck.cc	(revision 32085)
+++ chrome/renderer/spellchecker/spellcheck.cc	(working copy)
@@ -16,7 +16,8 @@
 using base::TimeTicks;
 
 SpellCheck::SpellCheck()
-    : auto_spell_correct_turned_on_(false),
+    : file_(base::kInvalidPlatformFileValue),
+      auto_spell_correct_turned_on_(false),
       // TODO(estade): initialize this properly.
       is_using_platform_spelling_engine_(false),
       initialized_(false) {
@@ -26,13 +27,13 @@
 SpellCheck::~SpellCheck() {
 }
 
-void SpellCheck::Init(const base::FileDescriptor& fd,
+void SpellCheck::Init(base::PlatformFile file,
                       const std::vector<std::string>& custom_words,
                       const std::string language) {
   initialized_ = true;
   hunspell_.reset();
   bdict_file_.reset();
-  fd_ = fd;
+  file_ = file;
   character_attributes_.SetDefaultLanguage(language);
 
   custom_words_.insert(custom_words_.end(),
@@ -57,7 +58,7 @@
     return true;
 
   // Do nothing if spell checking is disabled.
-  if (initialized_ && fd_.fd == -1)
+  if (initialized_ && file_ == base::kInvalidPlatformFileValue)
     return true;
 
   *misspelling_start = 0;
@@ -164,7 +165,7 @@
 
   bdict_file_.reset(new file_util::MemoryMappedFile);
 
-  if (bdict_file_->Initialize(fd_)) {
+  if (bdict_file_->Initialize(file_)) {
     TimeTicks start_time = TimeTicks::Now();
 
     hunspell_.reset(
@@ -194,7 +195,8 @@
   }
 
   // Check if the platform spellchecker is being used.
-  if (!is_using_platform_spelling_engine_ && fd_.fd != -1) {
+  if (!is_using_platform_spelling_engine_ &&
+      file_ != base::kInvalidPlatformFileValue) {
     // If it isn't, init hunspell.
     InitializeHunspell();
   }