Remove PeerConnectionIdentityStore and related messaging/storage code.

content/browser/storage_partition_impl.h

Index: content/browser/storage_partition_impl.h
diff --git a/content/browser/storage_partition_impl.h b/content/browser/storage_partition_impl.h
index 7e53766e4208fc2cd4981be69ac3d6b88c32b6c4..49b8d14b2d6f4d127077d679841855bfb1b68f61 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -19,7 +19,6 @@
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
 #include "content/browser/host_zoom_level_context.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
-#include "content/browser/media/webrtc/webrtc_identity_store.h"
 #include "content/browser/notifications/platform_notification_context_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/common/content_export.h"
@@ -101,8 +100,6 @@ class CONTENT_EXPORT  StoragePartitionImpl
 
   void Flush() override;
 
-  WebRTCIdentityStore* GetWebRTCIdentityStore();
-
   // Can return nullptr while |this| is being destroyed.
   BrowserContext* browser_context() const;
 
@@ -171,7 +168,6 @@ class CONTENT_EXPORT  StoragePartitionImpl
       IndexedDBContextImpl* indexed_db_context,
       CacheStorageContextImpl* cache_storage_context,
       ServiceWorkerContextWrapper* service_worker_context,
-      WebRTCIdentityStore* webrtc_identity_store,
       storage::SpecialStoragePolicy* special_storage_policy,
       HostZoomLevelContext* host_zoom_level_context,
       PlatformNotificationContextImpl* platform_notification_context,
@@ -218,7 +214,6 @@ class CONTENT_EXPORT  StoragePartitionImpl
   scoped_refptr<IndexedDBContextImpl> indexed_db_context_;
   scoped_refptr<CacheStorageContextImpl> cache_storage_context_;
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
-  scoped_refptr<WebRTCIdentityStore> webrtc_identity_store_;
   scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy_;
   scoped_refptr<HostZoomLevelContext> host_zoom_level_context_;
   scoped_refptr<PlatformNotificationContextImpl> platform_notification_context_;