Remove HTTP/0.9 support from HttpStreamParser.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 29f80d5f769686cac515e7857b1ed729a5d54c78..918e5a252f07d91d601af321a3c889ec7c286507 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -68861,6 +68861,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="-402" label="CACHE_WRITE_FAILURE"/>
   <int value="-401" label="CACHE_READ_FAILURE"/>
   <int value="-400" label="CACHE_MISS"/>
+  <int value="-370" label="INVALID_HTTP_RESPONSE"/>
   <int value="-369" label="TEMPORARY_BACKOFF"/>
   <int value="-368" label="ALTERNATIVE_CERT_NOT_VALID_FOR_ORIGIN"/>
   <int value="-367" label="PAC_SCRIPT_TERMINATED"/>
@@ -68916,7 +68917,8 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="-302" label="UNKNOWN_URL_SCHEME"/>
   <int value="-301" label="DISALLOWED_URL_SCHEME"/>
   <int value="-300" label="INVALID_URL"/>
-  <int value="-214" label="CERT_END"/>
+  <int value="-215" label="CERT_END"/>
+  <int value="-214" label="CERTIFICATE_TRANSPARENCY_REQUIRED"/>
   <int value="-213" label="CERT_VALIDITY_TOO_LONG"/>
   <int value="-212" label="CERT_NAME_CONSTRAINT_VIOLATION"/>
   <int value="-211" label="CERT_WEAK_KEY"/>
@@ -83730,7 +83732,8 @@ To add a new entry, add it with any value and run test to compute valid value.
   <int value="211" label="CERT_WEAK_KEY"/>
   <int value="212" label="CERT_NAME_CONSTRAINT_VIOLATION"/>
   <int value="213" label="CERT_VALIDITY_TOO_LONG"/>
-  <int value="214" label="CERT_END"/>
+  <int value="214" label="CERTIFICATE_TRANSPARENCY_REQUIRED"/>
+  <int value="215" label="CERT_END"/>
   <int value="300" label="INVALID_URL"/>
   <int value="301" label="DISALLOWED_URL_SCHEME"/>
   <int value="302" label="UNKNOWN_URL_SCHEME"/>
@@ -83787,6 +83790,7 @@ To add a new entry, add it with any value and run test to compute valid value.
   <int value="367" label="PAC_SCRIPT_TERMINATED"/>
   <int value="368" label="ALTERNATIVE_CERT_NOT_VALID_FOR_ORIGIN"/>
   <int value="369" label="TEMPORARY_BACKOFF"/>
+  <int value="370" label="INVALID_HTTP_RESPONSE"/>
   <int value="400" label="CACHE_MISS"/>
   <int value="401" label="CACHE_READ_FAILURE"/>
   <int value="402" label="CACHE_WRITE_FAILURE"/>