Fix "unused variable" warnings.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 900 matching lines @@
   AddFilter(new FileAPIMessageFilter(
       GetID(), storage_partition_impl_->GetURLRequestContext(),
       storage_partition_impl_->GetFileSystemContext(),
       blob_storage_context.get(), StreamContext::GetFor(browser_context)));
   AddFilter(new BlobDispatcherHost(blob_storage_context.get()));
   AddFilter(new FileUtilitiesMessageFilter(GetID()));
   AddFilter(new MimeRegistryMessageFilter());
   AddFilter(
       new DatabaseMessageFilter(storage_partition_impl_->GetDatabaseTracker()));
 #if defined(OS_MACOSX)
-  AddFilter(new TextInputClientMessageFilter(GetID()));
+  AddFilter(new TextInputClientMessageFilter());
 #elif defined(OS_WIN)
   AddFilter(new DWriteFontProxyMessageFilter());
 
   // The FontCacheDispatcher is required only when we're using GDI rendering.
   // TODO(scottmg): pdf/ppapi still require the renderer to be able to precache
   // GDI fonts (http://crbug.com/383227), even when using DirectWrite. This
   // should eventually be if (!ShouldUseDirectWrite()) guarded.
   channel_->AddFilter(new FontCacheDispatcher());
 #elif defined(OS_ANDROID)
   browser_demuxer_android_ = new BrowserDemuxerAndroid();
@@ skipping 1830 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content