Add more per-tab preferences.

chrome/browser/net/chrome_url_request_context.cc

Index: chrome/browser/net/chrome_url_request_context.cc
diff --git a/chrome/browser/net/chrome_url_request_context.cc b/chrome/browser/net/chrome_url_request_context.cc
index 5a71d38597491f7e526f52d0bd0a586d86c7ea0a..b303d1371baaef24c7141a5c0e9db2a9afd731b1 100644
--- a/chrome/browser/net/chrome_url_request_context.cc
+++ b/chrome/browser/net/chrome_url_request_context.cc
@@ -279,9 +279,9 @@ void ChromeURLRequestContextGetter::Observe(
               &ChromeURLRequestContextGetter::OnAcceptLanguageChange,
               this,
               accept_language));
-    } else if (*pref_name_in == prefs::kDefaultCharset) {
+    } else if (*pref_name_in == prefs::kGlobalDefaultCharset) {
       std::string default_charset =
-          prefs->GetString(prefs::kDefaultCharset);
+          prefs->GetString(prefs::kGlobalDefaultCharset);
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(
@@ -308,7 +308,7 @@ void ChromeURLRequestContextGetter::RegisterPrefsObserver(Profile* profile) {
 
   registrar_.Init(profile->GetPrefs());
   registrar_.Add(prefs::kAcceptLanguages, this);
-  registrar_.Add(prefs::kDefaultCharset, this);
+  registrar_.Add(prefs::kGlobalDefaultCharset, this);
   registrar_.Add(prefs::kClearSiteDataOnExit, this);
 }