Add convenience HighestPriority and LowestPriority methods to QuicUtils.

net/quic/quic_data_stream_test.cc

Index: net/quic/quic_data_stream_test.cc
diff --git a/net/quic/quic_data_stream_test.cc b/net/quic/quic_data_stream_test.cc
index 430509645891adacec122b2d0d92bd7ae82272af..8e79b66a663575ee5b54363ed727a62869546e2b 100644
--- a/net/quic/quic_data_stream_test.cc
+++ b/net/quic/quic_data_stream_test.cc
@@ -117,20 +117,19 @@ TEST_F(QuicDataStreamTest, ProcessHeaders) {
   Initialize(kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(compressed_headers));
 
   stream_->OnStreamFrame(frame);
   EXPECT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_), stream_->data());
-  EXPECT_EQ(static_cast<QuicPriority>(kHighestPriority),
-            stream_->EffectivePriority());
+  EXPECT_EQ(QuicUtils::HighestPriority(), stream_->EffectivePriority());
 }
 
 TEST_F(QuicDataStreamTest, ProcessHeadersWithInvalidHeaderId) {
   Initialize(kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   compressed_headers[4] = '\xFF';  // Illegal  header id.
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(compressed_headers));
 
@@ -142,7 +141,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersWithInvalidPriority) {
   Initialize(kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   compressed_headers[0] = '\xFF';  // Illegal priority.
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(compressed_headers));
 
@@ -154,7 +153,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersAndBody) {
   Initialize(kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   string body = "this is the body";
   string data = compressed_headers + body;
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(data));
@@ -168,7 +167,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersAndBodyFragments) {
   Initialize(kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kLowestPriority, headers_);
+      QuicUtils::LowestPriority(), headers_);
   string body = "this is the body";
   string data = compressed_headers + body;
 
@@ -201,15 +200,14 @@ TEST_F(QuicDataStreamTest, ProcessHeadersAndBodyFragments) {
     ASSERT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body,
               stream_->data()) << "split_point: " << split_point;
   }
-  EXPECT_EQ(static_cast<QuicPriority>(kLowestPriority),
-            stream_->EffectivePriority());
+  EXPECT_EQ(QuicUtils::LowestPriority(), stream_->EffectivePriority());
 }
 
 TEST_F(QuicDataStreamTest, ProcessHeadersAndBodyReadv) {
   Initialize(!kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   string body = "this is the body";
   string data = compressed_headers + body;
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(data));
@@ -239,7 +237,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersAndBodyIncrementalReadv) {
   Initialize(!kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   string body = "this is the body";
   string data = compressed_headers + body;
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(data));
@@ -265,7 +263,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersUsingReadvWithMultipleIovecs) {
   Initialize(!kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   string body = "this is the body";
   string data = compressed_headers + body;
   QuicStreamFrame frame(kStreamId, false, 0, MakeIOVector(data));
@@ -295,7 +293,7 @@ TEST_F(QuicDataStreamTest, ProcessCorruptHeadersEarly) {
   Initialize(kShouldProcessData);
 
   string compressed_headers1 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame1(
       stream_->id(), false, 0, MakeIOVector(compressed_headers1));
   string decompressed_headers1 =
@@ -303,7 +301,7 @@ TEST_F(QuicDataStreamTest, ProcessCorruptHeadersEarly) {
 
   headers_["content-type"] = "text/plain";
   string compressed_headers2 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   // Corrupt the compressed data.
   compressed_headers2[compressed_headers2.length() - 1] ^= 0xA1;
   QuicStreamFrame frame2(
@@ -337,7 +335,7 @@ TEST_F(QuicDataStreamTest, ProcessPartialHeadersEarly) {
   Initialize(kShouldProcessData);
 
   string compressed_headers1 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame1(
       stream_->id(), false, 0, MakeIOVector(compressed_headers1));
   string decompressed_headers1 =
@@ -345,7 +343,7 @@ TEST_F(QuicDataStreamTest, ProcessPartialHeadersEarly) {
 
   headers_["content-type"] = "text/plain";
   string compressed_headers2 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   string partial_compressed_headers =
       compressed_headers2.substr(0, compressed_headers2.length() / 2);
   QuicStreamFrame frame2(
@@ -390,7 +388,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersEarly) {
   Initialize(kShouldProcessData);
 
   string compressed_headers1 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame1(
       stream_->id(), false, 0, MakeIOVector(compressed_headers1));
   string decompressed_headers1 =
@@ -398,7 +396,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersEarly) {
 
   headers_["content-type"] = "text/plain";
   string compressed_headers2 = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame2(
       stream2_->id(), false, 0, MakeIOVector(compressed_headers2));
   string decompressed_headers2 =
@@ -428,7 +426,7 @@ TEST_F(QuicDataStreamTest, ProcessHeadersDelay) {
   Initialize(!kShouldProcessData);
 
   string compressed_headers = compressor_->CompressHeadersWithPriority(
-      kHighestPriority, headers_);
+      QuicUtils::HighestPriority(), headers_);
   QuicStreamFrame frame1(
       stream_->id(), false, 0, MakeIOVector(compressed_headers));
   string decompressed_headers =