Remove --unlimited-quota-for-indexeddb. Increase incognito quota.

content/common/content_switches.cc

Index: content/common/content_switches.cc
diff --git a/content/common/content_switches.cc b/content/common/content_switches.cc
index c77bc741db208ea21a283151e46003340b6fab5b..452b4f3eeed7ca8985a9772634da49048a448650 100644
--- a/content/common/content_switches.cc
+++ b/content/common/content_switches.cc
@@ -420,11 +420,6 @@ const char kTestSandbox[]                   = "test-sandbox";
 // TODO(dumi): remove the switch when we have a real quota implementation.
 const char kUnlimitedQuotaForFiles[]        = "unlimited-quota-for-files";
 
-// This is for testing IndexedDB and will give any website you visit unlimited
-// quota in IndexedDB. This should only be used for development and not general
-// browsing. It is ignored in single process mode.
-const char kUnlimitedQuotaForIndexedDB[]    = "unlimited-quota-for-indexeddb";
-
 // A string used to override the default user agent with a custom one.
 const char kUserAgent[]                     = "user-agent";