replace 'virtual ... OVERRIDE' with '... override'

base/memory/ref_counted_memory.h

Index: base/memory/ref_counted_memory.h
diff --git a/base/memory/ref_counted_memory.h b/base/memory/ref_counted_memory.h
index a238c3a30fea1bab416b71203b9f1765820e54f0..45355b05401974b5d4adfcdd38ec7f2da1d5012b 100644
--- a/base/memory/ref_counted_memory.h
+++ b/base/memory/ref_counted_memory.h
@@ -52,8 +52,8 @@ class BASE_EXPORT RefCountedStaticMemory : public RefCountedMemory {
         length_(length) {}
 
   // Overridden from RefCountedMemory:
-  virtual const unsigned char* front() const OVERRIDE;
-  virtual size_t size() const OVERRIDE;
+  const unsigned char* front() const override;
+  size_t size() const override;
 
  private:
   virtual ~RefCountedStaticMemory();
@@ -81,8 +81,8 @@ class BASE_EXPORT RefCountedBytes : public RefCountedMemory {
   static RefCountedBytes* TakeVector(std::vector<unsigned char>* to_destroy);
 
   // Overridden from RefCountedMemory:
-  virtual const unsigned char* front() const OVERRIDE;
-  virtual size_t size() const OVERRIDE;
+  const unsigned char* front() const override;
+  size_t size() const override;
 
   const std::vector<unsigned char>& data() const { return data_; }
   std::vector<unsigned char>& data() { return data_; }
@@ -107,8 +107,8 @@ class BASE_EXPORT RefCountedString : public RefCountedMemory {
   static RefCountedString* TakeString(std::string* to_destroy);
 
   // Overridden from RefCountedMemory:
-  virtual const unsigned char* front() const OVERRIDE;
-  virtual size_t size() const OVERRIDE;
+  const unsigned char* front() const override;
+  size_t size() const override;
 
   const std::string& data() const { return data_; }
   std::string& data() { return data_; }
@@ -129,8 +129,8 @@ class BASE_EXPORT RefCountedMallocedMemory : public base::RefCountedMemory {
   RefCountedMallocedMemory(void* data, size_t length);
 
   // Overridden from RefCountedMemory:
-  virtual const unsigned char* front() const OVERRIDE;
-  virtual size_t size() const OVERRIDE;
+  const unsigned char* front() const override;
+  size_t size() const override;
 
  private:
   virtual ~RefCountedMallocedMemory();