Make unfiltered events default to 'handled'.

webkit/plugins/ppapi/ppapi_plugin_instance.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 "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 431 matching lines @@
         (input_event_mask_ & event_class)) {
       // Actually send the event.
       std::vector< ::ppapi::InputEventData > events;
       CreateInputEventData(event, &events);
 
       // Each input event may generate more than one PP_InputEvent.
       ResourceTracker* tracker = ResourceTracker::Get();
       for (size_t i = 0; i < events.size(); i++) {
         if (filtered_input_event_mask_ & event_class)
           events[i].is_filtered = true;
+        else
+          rv = true;  // Unfiltered events are assumed to be handled.
         scoped_refptr<PPB_InputEvent_Impl> event_resource(
             new PPB_InputEvent_Impl(this, events[i]));
         PP_Resource resource = event_resource->GetReference();
 
         rv |= PPBoolToBool(plugin_input_event_interface_->HandleInputEvent(
             pp_instance(), event_resource->GetReference()));
 
         // Release the reference we took above.
         tracker->UnrefResource(resource);
       }
@@ skipping 1075 matching lines @@
   }
   delegate()->ZoomLimitsChanged(minimum_factor, maximium_factor);
 }
 
 void PluginInstance::PostMessage(PP_Instance instance, PP_Var message) {
   message_channel_->PostMessageToJavaScript(message);
 }
 
 }  // namespace ppapi
 }  // namespace webkit