Generate param traits size methods for IPC files in content/ (and traits it depends on).

content/common/input/input_param_traits.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 "content/common/input/input_param_traits.h"
 
 #include <utility>
 
 #include "content/common/content_param_traits.h"
 #include "content/common/input/synthetic_pinch_gesture_params.h"
@@ skipping 10 matching lines @@
     const base::Pickle* m,
     base::PickleIterator* iter) {
   std::unique_ptr<GestureType> gesture_params(new GestureType);
   if (!ReadParam(m, iter, gesture_params.get()))
     return std::unique_ptr<content::SyntheticGestureParams>();
 
   return std::move(gesture_params);
 }
 }  // namespace
 
+void ParamTraits<content::ScopedWebInputEvent>::GetSize(base::PickleSizer* s,
+                                                        const param_type& p) {
+  bool valid_web_event = !!p;
+  GetParamSize(s, valid_web_event);
+  if (valid_web_event)
+    GetParamSize(s, static_cast<WebInputEventPointer>(p.get()));
+}
+
 void ParamTraits<content::ScopedWebInputEvent>::Write(base::Pickle* m,
                                                       const param_type& p) {
   bool valid_web_event = !!p;
   WriteParam(m, valid_web_event);
   if (valid_web_event)
     WriteParam(m, static_cast<WebInputEventPointer>(p.get()));
 }
 
 bool ParamTraits<content::ScopedWebInputEvent>::Read(const base::Pickle* m,
                                                      base::PickleIterator* iter,
@@ skipping 108 matching lines @@
           l);
       break;
     case content::SyntheticGestureParams::POINTER_ACTION:
       LogParam(*content::SyntheticPointerActionParams::Cast(p.gesture_params()),
                l);
       break;
   }
 }
 
 }  // namespace IPC