Remove use of <iostream> where unnecessary.

ppapi/examples/gles2/gles2.cc

 // Copyright (c) 2011 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 <string.h>
 
-#include <iostream>
+#include <ostream>

[Ami GONE FROM CHROMIUM, 2011/08/31 18:04:12]

This file uses std::cerr (it's a ppapi sample plugin, no logging.h for me!)

 #include <sstream>
 #include <list>
 #include <map>
 #include <set>
 #include <vector>
 
 #include "ppapi/c/dev/ppb_console_dev.h"
 #include "ppapi/c/dev/ppb_opengles_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/dev/context_3d_dev.h"
@@ skipping 565 matching lines @@
   gles2_if_->DeleteShader(context_->pp_resource(), shader);
 }
 }  // anonymous namespace
 
 namespace pp {
 // Factory function for your specialization of the Module object.
 Module* CreateModule() {
   return new GLES2DemoModule();
 }
 }  // namespace pp