Remove a bunch of unused network flags.

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 7ea8776d05ee149e2280691ab2545b66e8574956..33a2813862e7e52514d857a9ebbd638ffb359c46 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -107,7 +107,6 @@ extern const char kDisableFullscreenWithinTab[];
 extern const char kDisableGoogleNowIntegration[];
 extern const char kDisableImprovedDownloadProtection[];
 extern const char kDisableIPv6[];
-extern const char kDisableIPPooling[];
 extern const char kDisableMinimizeOnSecondLauncherItemClick[];
 extern const char kDisableNTPOtherSessionsMenu[];
 extern const char kDisableOmniboxAutoCompletionForIme[];
@@ -181,7 +180,6 @@ extern const char kEnableFastUnload[];
 extern const char kEnableGoogleNowIntegration[];
 extern const char kEnableHttp2Draft04[];
 extern const char kEnableWebBasedSignin[];
-extern const char kEnableIPPooling[];
 extern const char kEnableIPv6[];
 extern const char kEnableLinkableEphemeralApps[];
 extern const char kEnableLocalFirstLoadNTP[];
@@ -213,11 +211,11 @@ extern const char kEnableQuicPacing[];
 extern const char kEnableQuicPortSelection[];
 extern const char kEnableResourceContentSettings[];
 extern const char kEnableSavePasswordBubble[];
-extern const char kEnableSdch[];
+extern const char kEnableSdchOverHttps[];
 extern const char kEnableSearchButtonInOmniboxAlways[];
 extern const char kEnableSearchButtonInOmniboxForStr[];
 extern const char kEnableSearchButtonInOmniboxForStrOrIip[];
-extern const char kEnableSpdy2[];
+extern const char kEnableSignedCertificateTimestampsViewer[];
 extern const char kEnableSpdy4a2[];
 extern const char kEnableSpellingAutoCorrect[];
 extern const char kEnableSpellingFeedbackFieldTrial[];
@@ -397,7 +395,6 @@ extern const char kUnlimitedStorage[];
 extern const char kUseSimpleCacheBackend[];
 extern const char kUseSpdy[];
 extern const char kUseSpellingSuggestions[];
-extern const char kMaxSpdyConcurrentStreams[];
 extern const char kUserDataDir[];
 extern const char kValidateCrx[];
 extern const char kVariationsServerURL[];