Created a new class SpdyTestStateHelper to serve as a helper to manage the state of a number of SPD…

net/spdy/buffered_spdy_framer_spdy2_unittest.cc

Index: net/spdy/buffered_spdy_framer_spdy2_unittest.cc
diff --git a/net/spdy/buffered_spdy_framer_spdy2_unittest.cc b/net/spdy/buffered_spdy_framer_spdy2_unittest.cc
index b001fba5fb5af4c8c14f78a88b6503d7c2952bc3..f627da2b3720a77c47df1bd962eb3102703b6fca 100644
--- a/net/spdy/buffered_spdy_framer_spdy2_unittest.cc
+++ b/net/spdy/buffered_spdy_framer_spdy2_unittest.cc
@@ -143,10 +143,6 @@ class TestBufferedSpdyVisitor : public BufferedSpdyFramerVisitorInterface {
 
 class BufferedSpdyFramerSpdy2Test : public PlatformTest {
  protected:
-  void EnableCompression(bool enabled) {
-    SpdyFramer::set_enable_compression_default(enabled);
-  }
-
   // Returns true if the two header blocks have equivalent content.
   bool CompareHeaderBlocks(const SpdyHeaderBlock* expected,
                            const SpdyHeaderBlock* actual) {
@@ -173,11 +169,12 @@ class BufferedSpdyFramerSpdy2Test : public PlatformTest {
     }
     return true;
   }
+
+ private:
+  SpdyTestStateHelper spdy_state_;
 };
 
 TEST_F(BufferedSpdyFramerSpdy2Test, OnSetting) {
-  EnableCompression(false);
-
   SpdyFramer framer(2);
   SpdySettings settings;
   settings.push_back(SpdySetting(SettingsFlagsAndId(0, 1), 0x00000002));
@@ -194,8 +191,6 @@ TEST_F(BufferedSpdyFramerSpdy2Test, OnSetting) {
 }
 
 TEST_F(BufferedSpdyFramerSpdy2Test, ReadSynStreamHeaderBlock) {
-  EnableCompression(false);
-
   SpdyHeaderBlock headers;
   headers["aa"] = "vv";
   headers["bb"] = "ww";
@@ -221,8 +216,6 @@ TEST_F(BufferedSpdyFramerSpdy2Test, ReadSynStreamHeaderBlock) {
 }
 
 TEST_F(BufferedSpdyFramerSpdy2Test, ReadSynReplyHeaderBlock) {
-  EnableCompression(false);
-
   SpdyHeaderBlock headers;
   headers["alpha"] = "beta";
   headers["gamma"] = "delta";
@@ -246,8 +239,6 @@ TEST_F(BufferedSpdyFramerSpdy2Test, ReadSynReplyHeaderBlock) {
 }
 
 TEST_F(BufferedSpdyFramerSpdy2Test, ReadHeadersHeaderBlock) {
-  EnableCompression(false);
-
   SpdyHeaderBlock headers;
   headers["alpha"] = "beta";
   headers["gamma"] = "delta";