Add missing (and remove superfluous) 'explicit' from constructors.

content/browser/loader/resource_dispatcher_host_unittest.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 <vector>
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
@@ skipping 162 matching lines @@
  private:
   net::URLRequestContext* const request_context_;
 };
 
 // This class forwards the incoming messages to the ResourceDispatcherHostTest.
 // This is used to emulate different sub-processes, since this filter will
 // have a different ID than the original. For the test, we want all the incoming
 // messages to go to the same place, which is why this forwards.
 class ForwardingFilter : public ResourceMessageFilter {
  public:
-  explicit ForwardingFilter(IPC::Sender* dest,
-                            ResourceContext* resource_context)
+  ForwardingFilter(IPC::Sender* dest,
+                   ResourceContext* resource_context)
     : ResourceMessageFilter(
         ChildProcessHostImpl::GenerateChildProcessUniqueId(),
         PROCESS_TYPE_RENDERER,
         resource_context, NULL, NULL,
         new MockURLRequestContextSelector(
             resource_context->GetRequestContext())),
       dest_(dest) {
     OnChannelConnected(base::GetCurrentProcId());
   }
 
@@ skipping 1759 matching lines @@
     }
 
     MessageLoop::current()->RunUntilIdle();
 
     msgs.clear();
     accum_.GetClassifiedMessages(&msgs);
   }
 }
 
 }  // namespace content