Generates the DTLS identity in browser process and returns it to render process.

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 af206f518ba433f97005b7c878aa1d8d2b67ce7a..761955615ab3a518a86346383e12c1c5f2338e8a 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -11,6 +11,7 @@
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
+#include "content/browser/media/dtls_identity_store.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/storage_partition.h"
 
@@ -30,6 +31,7 @@ class StoragePartitionImpl : public StoragePartition {
   virtual webkit_database::DatabaseTracker* GetDatabaseTracker() OVERRIDE;
   virtual DOMStorageContextImpl* GetDOMStorageContext() OVERRIDE;
   virtual IndexedDBContextImpl* GetIndexedDBContext() OVERRIDE;
+  virtual DTLSIdentityStore* GetDTLSIdentityStore() OVERRIDE;
   virtual void AsyncClearDataForOrigin(
       uint32 storage_mask,
       const GURL& storage_origin,
@@ -62,7 +64,8 @@ class StoragePartitionImpl : public StoragePartition {
       fileapi::FileSystemContext* filesystem_context,
       webkit_database::DatabaseTracker* database_tracker,
       DOMStorageContextImpl* dom_storage_context,
-      IndexedDBContextImpl* indexed_db_context);
+      IndexedDBContextImpl* indexed_db_context,
+      DTLSIdentityStore* dtls_identity_store);
 
   // Used by StoragePartitionImplMap.
   //
@@ -89,6 +92,7 @@ class StoragePartitionImpl : public StoragePartition {
   scoped_refptr<webkit_database::DatabaseTracker> database_tracker_;
   scoped_refptr<DOMStorageContextImpl> dom_storage_context_;
   scoped_refptr<IndexedDBContextImpl> indexed_db_context_;
+  scoped_refptr<DTLSIdentityStore> dtls_identity_store_;
 
   DISALLOW_COPY_AND_ASSIGN(StoragePartitionImpl);
 };