Remove refptr usages from SpellCheckHost

chrome/browser/spellchecker/spellcheck_host_impl.cc

Index: chrome/browser/spellchecker/spellcheck_host_impl.cc
diff --git a/chrome/browser/spellchecker/spellcheck_host_impl.cc b/chrome/browser/spellchecker/spellcheck_host_impl.cc
index c49af7e260b7dfd3e2acf8c6dadd95c67706e4a6..f4cf5c2c9a90ade794ab7ee31c0f5477f7eca3fb 100644
--- a/chrome/browser/spellchecker/spellcheck_host_impl.cc
+++ b/chrome/browser/spellchecker/spellcheck_host_impl.cc
@@ -90,7 +90,8 @@ SpellCheckHostImpl::SpellCheckHostImpl(
       tried_to_download_(false),
       use_platform_spellchecker_(false),
       request_context_getter_(request_context_getter),
-      metrics_(metrics) {
+      metrics_(metrics),
+      ALLOW_THIS_IN_INITIALIZER_LIST(service_task_factory_(this)) {
   DCHECK(profile_);
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
@@ -117,7 +118,7 @@ void SpellCheckHostImpl::Initialize() {
     use_platform_spellchecker_ = true;
     SpellCheckerPlatform::SetLanguage(language_);
     MessageLoop::current()->PostTask(FROM_HERE,
-        NewRunnableMethod(this,
+        service_task_factory_.NewRunnableMethod(
             &SpellCheckHostImpl::InformProfileOfInitialization));
     return;
   }
@@ -127,7 +128,7 @@ void SpellCheckHostImpl::Initialize() {
 #endif
 
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(this,
+      service_task_factory_.NewRunnableMethod(
                         &SpellCheckHostImpl::InitializeDictionaryLocation));
 }
 
@@ -174,7 +175,7 @@ void SpellCheckHostImpl::AddWord(const std::string& word) {
   if (profile_)
     profile_->CustomWordAddedLocally(word);
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(this,
+      service_task_factory_.NewRunnableMethod(
           &SpellCheckHostImpl::WriteWordToCustomDictionary, word));
   for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
@@ -230,7 +231,8 @@ void SpellCheckHostImpl::InitializeInternal() {
     // We download from the ui thread because we need to know that
     // |request_context_getter_| is still valid before initiating the download.
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-        NewRunnableMethod(this, &SpellCheckHostImpl::DownloadDictionary));
+        service_task_factory_.NewRunnableMethod(
+            &SpellCheckHostImpl::DownloadDictionary));
     return;
   }
 
@@ -248,8 +250,7 @@ void SpellCheckHostImpl::InitializeInternal() {
   }
 
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-      NewRunnableMethod(
-          this,
+      service_task_factory_.NewRunnableMethod(
           &SpellCheckHostImpl::InformProfileOfInitializationWithCustomWords,
           custom_words.release()));
 }
@@ -258,7 +259,8 @@ void SpellCheckHostImpl::InitializeOnFileThread() {
   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(this, &SpellCheckHostImpl::Initialize));
+      service_task_factory_.NewRunnableMethod(
+          &SpellCheckHostImpl::Initialize));
 }
 
 void SpellCheckHostImpl::InformProfileOfInitialization() {
@@ -348,7 +350,8 @@ void SpellCheckHostImpl::OnURLFetchComplete(const URLFetcher* source,
 
   data_ = data;
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(this, &SpellCheckHostImpl::SaveDictionaryData));
+      service_task_factory_.NewRunnableMethod(
+          &SpellCheckHostImpl::SaveDictionaryData));
 }
 
 void SpellCheckHostImpl::Observe(int type,
@@ -370,7 +373,7 @@ void SpellCheckHostImpl::SaveDictionaryData() {
   if (!verified) {
     LOG(ERROR) << "Failure to verify the downloaded dictionary.";
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-        NewRunnableMethod(this,
+        service_task_factory_.NewRunnableMethod(
                           &SpellCheckHostImpl::InformProfileOfInitialization));
     return;
   }
@@ -395,7 +398,7 @@ void SpellCheckHostImpl::SaveDictionaryData() {
       // To avoid trying to load a partially saved dictionary, shortcut the
       // Initialize() call.
       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-          NewRunnableMethod(this,
+          service_task_factory_.NewRunnableMethod(
               &SpellCheckHostImpl::InformProfileOfInitialization));
       return;
     }