make SetReceiveBufferSize and SetSendBufferSize return net error codes (instead of bools)

remoting/protocol/fake_session.h

Index: remoting/protocol/fake_session.h
diff --git a/remoting/protocol/fake_session.h b/remoting/protocol/fake_session.h
index 471b3367b76bde74de9207045166308b4bec020c..01f79c75aa8de4a6a8a04ab809554895d25329ff 100644
--- a/remoting/protocol/fake_session.h
+++ b/remoting/protocol/fake_session.h
@@ -58,8 +58,8 @@ class FakeSocket : public net::StreamSocket {
   virtual int Write(net::IOBuffer* buf, int buf_len,
                     const net::CompletionCallback& callback) OVERRIDE;
 
-  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
-  virtual bool SetSendBufferSize(int32 size) OVERRIDE;
+  virtual int SetReceiveBufferSize(int32 size) OVERRIDE;
+  virtual int SetSendBufferSize(int32 size) OVERRIDE;
 
   // net::StreamSocket interface.
   virtual int Connect(const net::CompletionCallback& callback) OVERRIDE;
@@ -127,8 +127,8 @@ class FakeUdpSocket : public net::Socket {
   virtual int Write(net::IOBuffer* buf, int buf_len,
                     const net::CompletionCallback& callback) OVERRIDE;
 
-  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
-  virtual bool SetSendBufferSize(int32 size) OVERRIDE;
+  virtual int SetReceiveBufferSize(int32 size) OVERRIDE;
+  virtual int SetSendBufferSize(int32 size) OVERRIDE;
 
  private:
   bool read_pending_;