Fix comparison in an equal comparator.

extensions/browser/extension_error.cc

 // Copyright 2013 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 "extensions/browser/extension_error.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "extensions/common/constants.h"
@@ skipping 177 matching lines @@
   }
   return result;
 }
 
 bool RuntimeError::IsEqualImpl(const ExtensionError* rhs) const {
   const RuntimeError* error = static_cast<const RuntimeError*>(rhs);
 
   // Only look at the first frame of a stack trace to save time and group
   // nearly-identical errors. The most recent error is kept, so there's no risk
   // of displaying an old and inaccurate stack trace.
-  return level_ == level_ &&
-         source_ == source_ &&
+  return level_ == error->level_ &&
+         source_ == error->source_ &&
          context_url_ == error->context_url_ &&
          stack_trace_.size() == error->stack_trace_.size() &&
          (stack_trace_.empty() || stack_trace_[0] == error->stack_trace_[0]);
 }
 
 void RuntimeError::CleanUpInit() {
   // If the error came from a generated background page, the "context" is empty
   // because there's no visible URL. We should set context to be the generated
   // background page in this case.
   GURL source_url = GURL(source_);
   if (context_url_.is_empty() &&
       source_url.path() ==
           std::string("/") + kGeneratedBackgroundPageFilename) {
     context_url_ = source_url;
   }
 
   // In some instances (due to the fact that we're reusing error reporting from
   // other systems), the source won't match up with the final entry in the stack
   // trace. (For instance, in a browser action error, the source is the page -
   // sometimes the background page - but the error is thrown from the script.)
   // Make the source match the stack trace, since that is more likely the cause
   // of the error.
   if (!stack_trace_.empty() && source_ != stack_trace_[0].source)
     source_ = stack_trace_[0].source;
 }
 
 }  // namespace extensions