Extracting NetLog inner classes into their own classes.

net/spdy/bidirectional_stream_spdy_impl_unittest.cc

Index: net/spdy/bidirectional_stream_spdy_impl_unittest.cc
diff --git a/net/spdy/bidirectional_stream_spdy_impl_unittest.cc b/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
index 1217a32e4b0b5b3f6d2c25b5326e4f9a7e256201..bee61f0a6f61274370fe9ec218a9fdcd53232d72 100644
--- a/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
+++ b/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
@@ -20,7 +20,7 @@
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
-#include "net/log/net_log.h"
+#include "net/log/net_log_source.h"
 #include "net/log/test_net_log.h"
 #include "net/socket/socket_test_util.h"
 #include "net/spdy/spdy_session.h"
@@ -47,7 +47,7 @@ const size_t kReadBufferSize = 4096;
 // request sent on a connection.
 void TestLoadTimingReused(const LoadTimingInfo& load_timing_info) {
   EXPECT_TRUE(load_timing_info.socket_reused);
-  EXPECT_NE(NetLog::Source::kInvalidId, load_timing_info.socket_log_id);
+  EXPECT_NE(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
 
   ExpectConnectTimingHasNoTimes(load_timing_info.connect_timing);
   ExpectLoadTimingHasOnlyConnectionTimes(load_timing_info);
@@ -57,7 +57,7 @@ void TestLoadTimingReused(const LoadTimingInfo& load_timing_info) {
 // connection.
 void TestLoadTimingNotReused(const LoadTimingInfo& load_timing_info) {
   EXPECT_FALSE(load_timing_info.socket_reused);
-  EXPECT_NE(NetLog::Source::kInvalidId, load_timing_info.socket_log_id);
+  EXPECT_NE(NetLogSource::kInvalidId, load_timing_info.socket_log_id);
 
   ExpectConnectTimingHasTimes(
       load_timing_info.connect_timing,