Give MockRead and MockWrite distinct types.

net/spdy/spdy_session_spdy3_unittest.cc

Index: net/spdy/spdy_session_spdy3_unittest.cc
diff --git a/net/spdy/spdy_session_spdy3_unittest.cc b/net/spdy/spdy_session_spdy3_unittest.cc
index 59b738266feeadc8e56bb6c35a3e40326ce7ee62..5b884151bba59673e4cd1b91b895377f667098f4 100644
--- a/net/spdy/spdy_session_spdy3_unittest.cc
+++ b/net/spdy/spdy_session_spdy3_unittest.cc
@@ -183,8 +183,8 @@ TEST_F(SpdySessionSpdy3Test, Ping) {
     MockRead(SYNCHRONOUS, 0, 0)  // EOF
   };
   scoped_ptr<SpdyFrame> write_ping(ConstructSpdyPing());
-  MockRead writes[] = {
-    CreateMockRead(*write_ping),
+  MockWrite writes[] = {
+    CreateMockWrite(*write_ping),
   };
   StaticSocketDataProvider data(
       reads, arraysize(reads), writes, arraysize(writes));
@@ -336,8 +336,8 @@ TEST_F(SpdySessionSpdy3Test, FailedPing) {
     MockRead(SYNCHRONOUS, 0, 0)  // EOF
   };
   scoped_ptr<SpdyFrame> write_ping(ConstructSpdyPing());
-  MockRead writes[] = {
-    CreateMockRead(*write_ping),
+  MockWrite writes[] = {
+    CreateMockWrite(*write_ping),
   };
   StaticSocketDataProvider data(
       reads, arraysize(reads), writes, arraysize(writes));