[DevTools] Rework DevToolsSession interaction with domain handlers.

content/browser/devtools/protocol/storage_handler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/protocol/storage_handler.h"
 
 #include <string>
 #include <unordered_set>
 #include <vector>
 
@@ skipping 12 matching lines @@
 static const char kIndexedDB[] = "indexeddb";
 static const char kLocalStorage[] = "local_storage";
 static const char kShaderCache[] = "shader_cache";
 static const char kWebSQL[] = "websql";
 static const char kServiceWorkers[] = "service_workers";
 static const char kCacheStorage[] = "cache_storage";
 static const char kAll[] = "all";
 }
 
 StorageHandler::StorageHandler()
-    : host_(nullptr) {
+    : DevToolsDomainHandler(Storage::Metainfo::domainName),
+      host_(nullptr) {
 }
 
 StorageHandler::~StorageHandler() = default;
 
 void StorageHandler::Wire(UberDispatcher* dispatcher) {
   Storage::Dispatcher::wire(dispatcher, this);
 }
 
-void StorageHandler::SetRenderFrameHost(RenderFrameHostImpl* host) {
-  host_ = host;
-}
-
-Response StorageHandler::Disable() {
-  return Response::OK();
-}
-
 Response StorageHandler::ClearDataForOrigin(
     const std::string& origin,
     const std::string& storage_types) {
   if (!host_)
     return Response::InternalError();
 
   StoragePartition* partition = host_->GetProcess()->GetStoragePartition();
   std::vector<std::string> types = base::SplitString(
       storage_types, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
   std::unordered_set<std::string> set(types.begin(), types.end());
@@ skipping 26 matching lines @@
       remove_mask,
       StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL,
       GURL(origin),
       partition->GetURLRequestContext(),
       base::Bind(&base::DoNothing));
   return Response::OK();
 }
 
 }  // namespace protocol
 }  // namespace content