Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/[fetch|fileapi]

Source/core/fetch/MemoryCache.h

Index: Source/core/fetch/MemoryCache.h
diff --git a/Source/core/fetch/MemoryCache.h b/Source/core/fetch/MemoryCache.h
index 4e6ce6c5c0713c0f567535764bdb3ace60467f95..f75a4e0f5dd13b4167aab2097ae91dcc2cc72859 100644
--- a/Source/core/fetch/MemoryCache.h
+++ b/Source/core/fetch/MemoryCache.h
@@ -72,7 +72,7 @@ enum UpdateReason {
 // MemoryCacheEntry class is used only in MemoryCache class, but we don't make
 // MemoryCacheEntry class an inner class of MemoryCache because of dependency
 // from MemoryCacheLRUList.
-class MemoryCacheEntry FINAL : public NoBaseWillBeGarbageCollectedFinalized<MemoryCacheEntry> {
+class MemoryCacheEntry final : public NoBaseWillBeGarbageCollectedFinalized<MemoryCacheEntry> {
 public:
     static PassOwnPtrWillBeRawPtr<MemoryCacheEntry> create(Resource* resource) { return adoptPtrWillBeNoop(new MemoryCacheEntry(resource)); }
     void trace(Visitor*);
@@ -106,7 +106,7 @@ private:
 // MemoryCacheLRUList is used only in MemoryCache class, but we don't make
 // MemoryCacheLRUList an inner struct of MemoryCache because we can't define
 // VectorTraits for inner structs.
-struct MemoryCacheLRUList FINAL {
+struct MemoryCacheLRUList final {
     ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     RawPtrWillBeMember<MemoryCacheEntry> m_head;
@@ -122,7 +122,7 @@ WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::MemoryCacheLRUList);
 
 namespace blink {
 
-class MemoryCache FINAL : public NoBaseWillBeGarbageCollectedFinalized<MemoryCache>, public WebThread::TaskObserver {
+class MemoryCache final : public NoBaseWillBeGarbageCollectedFinalized<MemoryCache>, public WebThread::TaskObserver {
     WTF_MAKE_NONCOPYABLE(MemoryCache); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     static PassOwnPtrWillBeRawPtr<MemoryCache> create();
@@ -212,8 +212,8 @@ public:
     MemoryCacheLiveResourcePriority priority(Resource*) const;
 
     // TaskObserver implementation
-    virtual void willProcessTask() OVERRIDE;
-    virtual void didProcessTask() OVERRIDE;
+    virtual void willProcessTask() override;
+    virtual void didProcessTask() override;
 
 private:
     MemoryCache();