The first step for enabling off-the-spot IME on Pepper on ChromeOS/Linux.

webkit/plugins/ppapi/plugin_delegate.h

 // 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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback_old.h"
@@ skipping 208 matching lines @@
     // Decrements the references to the broker.
     // When there are no more references, this renderer's dispatcher is
     // destroyed, allowing the broker to shutdown if appropriate.
     // Callers should not reference this object after calling Disconnect.
     virtual void Disconnect(webkit::ppapi::PPB_Broker_Impl* client) = 0;
 
    protected:
     virtual ~PpapiBroker() {}
   };
 
+  // Notification that the given plugin is focused or unfocused.
+  virtual void PluginFocusChanged(bool focused) = 0;
+
   // Notification that the given plugin has crashed. When a plugin crashes, all
   // instances associated with that plugin will notify that they've crashed via
   // this function.
   virtual void PluginCrashed(PluginInstance* instance) = 0;
 
   // Indicates that the given instance has been created.
   virtual void InstanceCreated(PluginInstance* instance) = 0;
 
   // Indicates that the given instance is being destroyed. This is called from
   // the destructor, so it's important that the instance is not dereferenced
@@ skipping 158 matching lines @@
 
   // Create an anonymous shared memory segment of size |size| bytes, and return
   // a pointer to it, or NULL on error.  Caller owns the returned pointer.
   virtual base::SharedMemory* CreateAnonymousSharedMemory(uint32_t size) = 0;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_