Revert of Communicate ExtensionSettings policy to renderers

extensions/common/extension_messages.h

Index: extensions/common/extension_messages.h
diff --git a/extensions/common/extension_messages.h b/extensions/common/extension_messages.h
index 78ed533ede41309486a63ebc9de805090105bc01..f7952e80e21ca0d0e2b1033c3c96f572add242d4 100644
--- a/extensions/common/extension_messages.h
+++ b/extensions/common/extension_messages.h
@@ -293,9 +293,6 @@
   extensions::ManifestPermissionSet manifest_permissions;
   extensions::URLPatternSet explicit_hosts;
   extensions::URLPatternSet scriptable_hosts;
-  extensions::URLPatternSet policy_blocked_hosts;
-  extensions::URLPatternSet policy_allowed_hosts;
-  bool uses_default_policy_host_restrictions;
 };
 
 struct ExtensionMsg_Loaded_Params {
@@ -323,14 +320,6 @@
   ExtensionMsg_PermissionSetStruct active_permissions;
   ExtensionMsg_PermissionSetStruct withheld_permissions;
   std::map<int, ExtensionMsg_PermissionSetStruct> tab_specific_permissions;
-
-  // Contains URLPatternSets defining which URLs an extension may not interact
-  // with by policy.
-  extensions::URLPatternSet policy_blocked_hosts;
-  extensions::URLPatternSet policy_allowed_hosts;
-
-  // If the extension uses the default list of blocked / allowed URLs.
-  bool uses_default_policy_blocked_allowed_hosts;
 
   // We keep this separate so that it can be used in logging.
   std::string id;
@@ -453,15 +442,6 @@
   IPC_STRUCT_MEMBER(std::string, extension_id)
   IPC_STRUCT_MEMBER(ExtensionMsg_PermissionSetStruct, active_permissions)
   IPC_STRUCT_MEMBER(ExtensionMsg_PermissionSetStruct, withheld_permissions)
-  IPC_STRUCT_MEMBER(extensions::URLPatternSet, policy_blocked_hosts)
-  IPC_STRUCT_MEMBER(extensions::URLPatternSet, policy_allowed_hosts)
-  IPC_STRUCT_MEMBER(bool, uses_default_policy_host_restrictions)
-IPC_STRUCT_END()
-
-// Parameters structure for ExtensionMsg_UpdateDefaultPolicyHostRestrictions.
-IPC_STRUCT_BEGIN(ExtensionMsg_UpdateDefaultPolicyHostRestrictions_Params)
-  IPC_STRUCT_MEMBER(extensions::URLPatternSet, default_policy_blocked_hosts)
-  IPC_STRUCT_MEMBER(extensions::URLPatternSet, default_policy_allowed_hosts)
 IPC_STRUCT_END()
 
 // Messages sent from the browser to the renderer:
@@ -568,10 +548,6 @@
 IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdatePermissions,
                      ExtensionMsg_UpdatePermissions_Params)
 
-// Tell the renderer to update an extension's policy_blocked_hosts set.
-IPC_MESSAGE_CONTROL1(ExtensionMsg_UpdateDefaultPolicyHostRestrictions,
-                     ExtensionMsg_UpdateDefaultPolicyHostRestrictions_Params)
-
 // Tell the render view about new tab-specific permissions for an extension.
 IPC_MESSAGE_CONTROL5(ExtensionMsg_UpdateTabSpecificPermissions,
                      GURL /* url */,