cc: Remove use of PassAs() and constructor-casting with scoped_ptr.

cc/resources/picture.cc

 // Copyright 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 "cc/resources/picture.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 
@@ skipping 394 matching lines @@
   scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
   res->Set("params.layer_rect", MathUtil::AsValue(layer_rect_).release());
 
   size_t serialized_size = stream.bytesWritten();
   scoped_ptr<char[]> serialized_picture(new char[serialized_size]);
   stream.copyTo(serialized_picture.get());
   std::string b64_picture;
   base::Base64Encode(std::string(serialized_picture.get(), serialized_size),
                      &b64_picture);
   res->SetString("skp64", b64_picture);
-  return res.PassAs<base::Value>();
+  return res.Pass();
 }
 
 void Picture::EmitTraceSnapshot() const {
   TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(
       TRACE_DISABLED_BY_DEFAULT("cc.debug") "," TRACE_DISABLED_BY_DEFAULT(
           "devtools.timeline.picture"),
       "cc::Picture",
       this,
       TracedPicture::AsTraceablePicture(this));
 }
@@ skipping 121 matching lines @@
   scoped_refptr<base::debug::TracedValue> record_data =
       new base::debug::TracedValue();
   TracedValue::SetIDRef(this, record_data.get(), "picture_id");
   record_data->BeginArray("layer_rect");
   MathUtil::AddToTracedValue(layer_rect_, record_data.get());
   record_data->EndArray();
   return record_data;
 }
 
 }  // namespace cc