Remove calls to to-be-deprecated v8::Persistent funcs.

net/proxy/proxy_resolver_v8.cc

 // Copyright (c) 2012 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 "net/proxy/proxy_resolver_v8.h"
 
 #include <algorithm>
 #include <cstdio>
 
 #include "base/basictypes.h"
@@ skipping 324 matching lines @@
  public:
   Context(ProxyResolverV8* parent, v8::Isolate* isolate)
       : parent_(parent),
         isolate_(isolate) {
     DCHECK(isolate);
   }
 
   ~Context() {
     v8::Locker locked(isolate_);
 
-    v8_this_.Dispose(isolate_);
-    v8_context_.Dispose(isolate_);
+    v8_this_.Dispose();
+    v8_context_.Dispose();
   }
 
   JSBindings* js_bindings() {
     return parent_->js_bindings_;
   }
 
   int ResolveProxy(const GURL& query_url, ProxyInfo* results) {
     v8::Locker locked(isolate_);
     v8::HandleScope scope(isolate_);
 
@@ skipping 442 matching lines @@
   if (!g_default_isolate_)
     return 0;
 
   v8::Locker locked(g_default_isolate_);
   v8::HeapStatistics heap_statistics;
   g_default_isolate_->GetHeapStatistics(&heap_statistics);
   return heap_statistics.used_heap_size();
 }
 
 }  // namespace net