Fix virtual/override/final usage in Source/modules/.

Source/modules/cachestorage/CacheStorage.cpp

Index: Source/modules/cachestorage/CacheStorage.cpp
diff --git a/Source/modules/cachestorage/CacheStorage.cpp b/Source/modules/cachestorage/CacheStorage.cpp
index 4961a3fa425ef4fa40a96aa96f7531f7b8449511..86ffcb2ac4a93601d43240c5964e44c217af0342 100644
--- a/Source/modules/cachestorage/CacheStorage.cpp
+++ b/Source/modules/cachestorage/CacheStorage.cpp
@@ -32,16 +32,16 @@ class CacheStorage::Callbacks final : public WebServiceWorkerCacheStorage::Cache
 public:
     explicit Callbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
         : m_resolver(resolver) { }
-    virtual ~Callbacks() { }
+    ~Callbacks() override { }
 
-    virtual void onSuccess() override
+    void onSuccess() override
     {
         m_resolver->resolve(true);
         m_resolver.clear();
     }
 
     // Ownership of |rawReason| must be passed.
-    virtual void onError(WebServiceWorkerCacheError* rawReason) override
+    void onError(WebServiceWorkerCacheError* rawReason) override
     {
         OwnPtr<WebServiceWorkerCacheError> reason = adoptPtr(rawReason);
         if (*reason == WebServiceWorkerCacheErrorNotFound)
@@ -61,9 +61,9 @@ class CacheStorage::WithCacheCallbacks final : public WebServiceWorkerCacheStora
 public:
     WithCacheCallbacks(const String& cacheName, CacheStorage* cacheStorage, PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
         : m_cacheName(cacheName), m_cacheStorage(cacheStorage), m_resolver(resolver) { }
-    virtual ~WithCacheCallbacks() { }
+    ~WithCacheCallbacks() override { }
 
-    virtual void onSuccess(WebServiceWorkerCache* webCache) override
+    void onSuccess(WebServiceWorkerCache* webCache) override
     {
         // FIXME: Remove this once content's WebServiceWorkerCache implementation has landed.
         if (!webCache) {
@@ -77,7 +77,7 @@ public:
     }
 
     // Ownership of |rawReason| must be passed.
-    virtual void onError(WebServiceWorkerCacheError* rawReason) override
+    void onError(WebServiceWorkerCacheError* rawReason) override
     {
         OwnPtr<WebServiceWorkerCacheError> reason = adoptPtr(rawReason);
         if (*reason == WebServiceWorkerCacheErrorNotFound)
@@ -100,14 +100,14 @@ public:
     MatchCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
         : m_resolver(resolver) { }
 
-    virtual void onSuccess(WebServiceWorkerResponse* webResponse) override
+    void onSuccess(WebServiceWorkerResponse* webResponse) override
     {
         m_resolver->resolve(Response::create(m_resolver->scriptState()->executionContext(), *webResponse));
         m_resolver.clear();
     }
 
     // Ownership of |rawReason| must be passed.
-    virtual void onError(WebServiceWorkerCacheError* rawReason) override
+    void onError(WebServiceWorkerCacheError* rawReason) override
     {
         OwnPtr<WebServiceWorkerCacheError> reason = adoptPtr(rawReason);
         if (*reason == WebServiceWorkerCacheErrorNotFound)
@@ -128,9 +128,9 @@ class CacheStorage::DeleteCallbacks final : public WebServiceWorkerCacheStorage:
 public:
     DeleteCallbacks(const String& cacheName, CacheStorage* cacheStorage, PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
         : m_cacheName(cacheName), m_cacheStorage(cacheStorage), m_resolver(resolver) { }
-    virtual ~DeleteCallbacks() { }
+    ~DeleteCallbacks() override { }
 
-    virtual void onSuccess() override
+    void onSuccess() override
     {
         m_cacheStorage->m_nameToCacheMap.remove(m_cacheName);
         m_resolver->resolve(true);
@@ -138,7 +138,7 @@ public:
     }
 
     // Ownership of |rawReason| must be passed.
-    virtual void onError(WebServiceWorkerCacheError* rawReason) override
+    void onError(WebServiceWorkerCacheError* rawReason) override
     {
         OwnPtr<WebServiceWorkerCacheError> reason = adoptPtr(rawReason);
         if (*reason == WebServiceWorkerCacheErrorNotFound)
@@ -160,9 +160,9 @@ class CacheStorage::KeysCallbacks final : public WebServiceWorkerCacheStorage::C
 public:
     explicit KeysCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
         : m_resolver(resolver) { }
-    virtual ~KeysCallbacks() { }
+    ~KeysCallbacks() override { }
 
-    virtual void onSuccess(WebVector<WebString>* keys) override
+    void onSuccess(WebVector<WebString>* keys) override
     {
         Vector<String> wtfKeys;
         for (size_t i = 0; i < keys->size(); ++i)
@@ -172,7 +172,7 @@ public:
     }
 
     // Ownership of |rawReason| must be passed.
-    virtual void onError(WebServiceWorkerCacheError* rawReason) override
+    void onError(WebServiceWorkerCacheError* rawReason) override
     {
         OwnPtr<WebServiceWorkerCacheError> reason = adoptPtr(rawReason);
         m_resolver->reject(CacheStorageError::createException(*reason));