Misc cleanup in net/spdy/core.

net/spdy/core/hpack/hpack_input_stream_test.cc

Index: net/spdy/core/hpack/hpack_input_stream_test.cc
diff --git a/net/spdy/core/hpack/hpack_input_stream_test.cc b/net/spdy/core/hpack/hpack_input_stream_test.cc
index 99c4adc38a71a9a7a8d712fb1f662bf0a1d502cd..8ab4da5ff7b8ff79b8463bd4fc0421cfcb6fc0bd 100644
--- a/net/spdy/core/hpack/hpack_input_stream_test.cc
+++ b/net/spdy/core/hpack/hpack_input_stream_test.cc
@@ -760,7 +760,7 @@ TEST(HpackInputStreamTest, IncompleteHeaderDecodeNextIdentityString) {
 
 TEST(HpackInputStreamTest, IncompleteHeaderDecodeNextHuffmanString) {
   SpdyString output, input(a2b_hex(kEncodedHuffmanFixture));
-  input.resize(input.size() - 1);  // Remove last byte.
+  input.pop_back();  // Remove last byte.
   HpackInputStream input_stream1(input);
   HpackInputStreamPeer input_stream1_peer(&input_stream1);
   EXPECT_FALSE(input_stream1.DecodeNextHuffmanString(&output));