A64: Synchronize with r16587.

src/platform.h

Index: src/platform.h
diff --git a/src/platform.h b/src/platform.h
index 8565775bd7b3bcaa844ea9f392a2c808eda0f181..6ae3fa00c0248e5237570b9152822d66ae7f877c 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -108,9 +108,6 @@ double fast_sqrt(double input);
 // on demand.
 void lazily_initialize_fast_exp();
 
-// Forward declarations.
-class Socket;
-
 // ----------------------------------------------------------------------------
 // Fast TLS support
 
@@ -181,9 +178,6 @@ class OS {
   // called after CPU initialization.
   static void PostSetUp();
 
-  // Clean up platform-OS-related things. Called once at VM shutdown.
-  static void TearDown();
-
   // Returns the accumulated user time for thread. This routine
   // can be used for profiling. The implementation should
   // strive for high-precision timer resolution, preferable
@@ -257,13 +251,6 @@ class OS {
   // Get the Alignment guaranteed by Allocate().
   static size_t AllocateAlignment();
 
-  // Returns an indication of whether a pointer is in a space that
-  // has been allocated by Allocate().  This method may conservatively
-  // always return false, but giving more accurate information may
-  // improve the robustness of the stack dump code in the presence of
-  // heap corruption.
-  static bool IsOutsideAllocatedSpace(void* pointer);
-
   // Sleep for a number of milliseconds.
   static void Sleep(const int milliseconds);
 
@@ -287,10 +274,6 @@ class OS {
 
   static int StackWalk(Vector<StackFrame> frames);
 
-  // Factory method for creating platform dependent Socket.
-  // Please use delete to reclaim the storage for the returned Socket.
-  static Socket* CreateSocket();
-
   class MemoryMappedFile {
    public:
     static MemoryMappedFile* open(const char* name);
@@ -619,47 +602,6 @@ class Thread {
   DISALLOW_COPY_AND_ASSIGN(Thread);
 };
 
-
-// ----------------------------------------------------------------------------
-// Socket
-//
-
-class Socket {
- public:
-  virtual ~Socket() {}
-
-  // Server initialization.
-  virtual bool Bind(const int port) = 0;
-  virtual bool Listen(int backlog) const = 0;
-  virtual Socket* Accept() const = 0;
-
-  // Client initialization.
-  virtual bool Connect(const char* host, const char* port) = 0;
-
-  // Shutdown socket for both read and write. This causes blocking Send and
-  // Receive calls to exit. After Shutdown the Socket object cannot be used for
-  // any communication.
-  virtual bool Shutdown() = 0;
-
-  // Data Transimission
-  // Return 0 on failure.
-  virtual int Send(const char* data, int len) const = 0;
-  virtual int Receive(char* data, int len) const = 0;
-
-  // Set the value of the SO_REUSEADDR socket option.
-  virtual bool SetReuseAddress(bool reuse_address) = 0;
-
-  virtual bool IsValid() const = 0;
-
-  static bool SetUp();
-  static int LastError();
-  static uint16_t HToN(uint16_t value);
-  static uint16_t NToH(uint16_t value);
-  static uint32_t HToN(uint32_t value);
-  static uint32_t NToH(uint32_t value);
-};
-
-
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_