Run clang-modernize -use-nullptr over src/extensions/.

extensions/browser/extension_pref_value_map.cc

Index: extensions/browser/extension_pref_value_map.cc
diff --git a/extensions/browser/extension_pref_value_map.cc b/extensions/browser/extension_pref_value_map.cc
index 0797b2416e3c03e7eaf55985e88a0fae77f2bbc3..63e601d62602ac60ab29615ca0d982c834d12d2b 100644
--- a/extensions/browser/extension_pref_value_map.cc
+++ b/extensions/browser/extension_pref_value_map.cc
@@ -80,7 +80,7 @@ bool ExtensionPrefValueMap::CanExtensionControlPref(
     return false;
 
   ExtensionEntryMap::const_iterator winner =
-      GetEffectivePrefValueController(pref_key, incognito, NULL);
+      GetEffectivePrefValueController(pref_key, incognito, nullptr);
   if (winner == entries_.end())
     return true;
 
@@ -110,7 +110,7 @@ bool ExtensionPrefValueMap::DoesExtensionControlPref(
     const std::string& extension_id,
     const std::string& pref_key,
     bool* from_incognito) const {
-  bool incognito = (from_incognito != NULL);
+  bool incognito = (from_incognito != nullptr);
   ExtensionEntryMap::const_iterator winner =
       GetEffectivePrefValueController(pref_key, incognito, from_incognito);
   if (winner == entries_.end())
@@ -193,7 +193,7 @@ PrefValueMap* ExtensionPrefValueMap::GetExtensionPrefValueMap(
       return &(i->second->incognito_profile_preferences_session_only);
   }
   NOTREACHED();
-  return NULL;
+  return nullptr;
 }
 
 const PrefValueMap* ExtensionPrefValueMap::GetExtensionPrefValueMap(
@@ -212,7 +212,7 @@ const PrefValueMap* ExtensionPrefValueMap::GetExtensionPrefValueMap(
       return &(i->second->incognito_profile_preferences_session_only);
   }
   NOTREACHED();
-  return NULL;
+  return nullptr;
 }
 
 void ExtensionPrefValueMap::GetExtensionControlledKeys(
@@ -247,9 +247,9 @@ const base::Value* ExtensionPrefValueMap::GetEffectivePrefValue(
   ExtensionEntryMap::const_iterator winner =
       GetEffectivePrefValueController(key, incognito, from_incognito);
   if (winner == entries_.end())
-    return NULL;
+    return nullptr;
 
-  const base::Value* value = NULL;
+  const base::Value* value = nullptr;
   const std::string& ext_id = winner->first;
 
   // First search for incognito session only preferences.
@@ -307,7 +307,7 @@ ExtensionPrefValueMap::GetEffectivePrefValueController(
     if (incognito && !incognito_enabled)
       continue;
 
-    const base::Value* value = NULL;
+    const base::Value* value = nullptr;
     const PrefValueMap* prefs = GetExtensionPrefValueMap(
         ext_id, extensions::kExtensionPrefsScopeRegular);
     if (prefs->GetValue(key, &value)) {
@@ -374,7 +374,7 @@ void ExtensionPrefValueMap::RemoveObserver(
 std::string ExtensionPrefValueMap::GetExtensionControllingPref(
     const std::string& pref_key) const {
   ExtensionEntryMap::const_iterator winner =
-      GetEffectivePrefValueController(pref_key, false, NULL);
+      GetEffectivePrefValueController(pref_key, false, nullptr);
   if (winner == entries_.end())
     return std::string();
   return winner->first;