Adjust histograms to get better data for latency experiments...

net/base/sdch_manager.h

Index: net/base/sdch_manager.h
===================================================================
--- net/base/sdch_manager.h	(revision 5673)
+++ net/base/sdch_manager.h	(working copy)
@@ -56,7 +56,7 @@
   enum ProblemCodes {
     MIN_PROBLEM_CODE,
 
-    // Content Decode problems.
+    // Content-encoding correction problems.
     ADDED_CONTENT_ENCODING,

[Lincoln, 2008/11/24 17:31:42]

Do you want to add explicit initializers to these first few problem codes, since
you've done so for the rest of them?

     FIXED_CONTENT_ENCODING,
     FIXED_CONTENT_ENCODINGS,
@@ -65,39 +65,47 @@
     DECODE_HEADER_ERROR,
     DECODE_BODY_ERROR,
 
+    // More content-encoding correction problems.
+    OPTIONAL_GUNZIP_ENCODING_ADDED,
+
     // Dictionary selection for use problems.
     DICTIONARY_FOUND_HAS_WRONG_DOMAIN = 10,
-    DICTIONARY_FOUND_HAS_WRONG_PORT_LIST,
-    DICTIONARY_FOUND_HAS_WRONG_PATH,
-    DICTIONARY_FOUND_HAS_WRONG_SCHEME,
-    DICTIONARY_HASH_NOT_FOUND,
-    DICTIONARY_HASH_MALFORMED,
+    DICTIONARY_FOUND_HAS_WRONG_PORT_LIST = 11,
+    DICTIONARY_FOUND_HAS_WRONG_PATH = 12,
+    DICTIONARY_FOUND_HAS_WRONG_SCHEME = 13,
+    DICTIONARY_HASH_NOT_FOUND = 14,
+    DICTIONARY_HASH_MALFORMED = 15,
 
     // Decode recovery methods.
-    META_REFRESH_RECOVERY,
-    PASSING_THROUGH_NON_SDCH,
-    UNRECOVERABLE_ERROR,
+    META_REFRESH_RECOVERY = 16,
+    PASSING_THROUGH_NON_SDCH = 17,
+    UNRECOVERABLE_ERROR = 18,
 
     // Dictionary saving problems.
     DICTIONARY_HAS_NO_HEADER = 20,
-    DICTIONARY_HEADER_LINE_MISSING_COLON,
-    DICTIONARY_MISSING_DOMAIN_SPECIFIER,
-    DICTIONARY_SPECIFIES_TOP_LEVEL_DOMAIN,
-    DICTIONARY_DOMAIN_NOT_MATCHING_SOURCE_URL,
-    DICTIONARY_PORT_NOT_MATCHING_SOURCE_URL,
-    DICTIONARY_HAS_NO_TEXT,
+    DICTIONARY_HEADER_LINE_MISSING_COLON = 21,
+    DICTIONARY_MISSING_DOMAIN_SPECIFIER = 22,
+    DICTIONARY_SPECIFIES_TOP_LEVEL_DOMAIN = 23,
+    DICTIONARY_DOMAIN_NOT_MATCHING_SOURCE_URL = 24,
+    DICTIONARY_PORT_NOT_MATCHING_SOURCE_URL = 25,
+    DICTIONARY_HAS_NO_TEXT = 26,
 
     // Dictionary loading problems.
     DICTIONARY_LOAD_ATTEMPT_FROM_DIFFERENT_HOST = 30,
-    DICTIONARY_SELECTED_FOR_SSL,
-    DICTIONARY_ALREADY_LOADED,
-    DICTIONARY_SELECTED_FROM_NON_HTTP,
-    DICTIONARY_IS_TOO_LARGE,
-    DICTIONARY_COUNT_EXCEEDED,
+    DICTIONARY_SELECTED_FOR_SSL = 31,
+    DICTIONARY_ALREADY_LOADED = 32,
+    DICTIONARY_SELECTED_FROM_NON_HTTP = 33,
+    DICTIONARY_IS_TOO_LARGE= 34,
+    DICTIONARY_COUNT_EXCEEDED = 35,
 
     // Failsafe hack.
     ATTEMPT_TO_DECODE_NON_HTTP_DATA = 40,
 
+
+    // Content-Encoding problems detected, with no action taken.
+    MULTIENCODING_FOR_NON_SDCH_REQUEST = 50,
+    SDCH_CONTENT_ENCODE_FOR_NON_SDCH_REQUEST = 51,
+
     MAX_PROBLEM_CODE  // Used to bound histogram.
   };