Revert of Clear SDCH information on "Clear browsing data" path.

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index 29bf3298c0386f23bbf2a27cb785033f0ba32087..ba4875152bd32a8994b9c7bc64175dcae90ad3fb 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -75,7 +75,6 @@
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "net/base/net_errors.h"
-#include "net/base/sdch_manager.h"
 #include "net/cookies/cookie_store.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
@@ -930,16 +929,6 @@
         // Clear QUIC server information from memory and the disk cache.
         http_cache->GetSession()->quic_stream_factory()->
             ClearCachedStatesInCryptoConfig();
-
-        // Clear SDCH dictionary state.
-        net::SdchManager* sdch_manager =
-            getter->GetURLRequestContext()->sdch_manager();
-        // The test is probably overkill, since chrome should always have an
-        // SdchManager.  But in general the URLRequestContext  is *not*
-        // guaranteed to have an SdchManager, so checking is wise.
-        if (sdch_manager)
-          sdch_manager->ClearData();
-
         rv = http_cache->GetBackend(
             &cache_, base::Bind(&BrowsingDataRemover::DoClearCache,
                                 base::Unretained(this)));