Update Mac plugin IME handling to match updated spec

chrome/common/render_messages_internal.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.
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 872 matching lines @@
 #if defined(OS_MACOSX)
 // Let the RenderView know its window has changed visibility.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetWindowVisibility,
                     bool /* visibile */)
 
 // Let the RenderView know its window's frame has changed.
 IPC_MESSAGE_ROUTED2(ViewMsg_WindowFrameChanged,
                     gfx::Rect /* window frame */,
                     gfx::Rect /* content view frame */)
 
-// Tell the renderer that text has been retured from plugin IME.
-IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionConfirmed,
+// Tell the renderer that plugin IME has completed.
+IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionCompleted,
                     string16 /* text */,
                     int /* plugin_id */)
 #endif
 
 // Response message to ViewHostMsg_CreateShared/DedicatedWorker.
 // Sent when the worker has started.
 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 
 // Tell the renderer which browser window it's being attached to.
 IPC_MESSAGE_ROUTED1(ViewMsg_UpdateBrowserWindowId,
@@ skipping 1233 matching lines @@
                             size_t, /* bytes requested */
                             bool, /* cache in the browser */
                             TransportDIB::Handle /* DIB */)
 
 // Since the browser keeps handles to the allocated transport DIBs, this
 // message is sent to tell the browser that it may release them when the
 // renderer is finished with them.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
                      TransportDIB::Id /* DIB id */)
 
-// Instructs the browser to start or stop plugin IME.
-IPC_MESSAGE_ROUTED2(ViewHostMsg_SetPluginImeEnabled,
-                    bool, /* enabled */
+// Informs the browser that a plugin has gained or lost focus.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
+                    bool, /* focused */
                     int /* plugin_id */)
 
+// Instructs the browser to start plugin IME.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
+
 //---------------------------------------------------------------------------
 // Messages related to accelerated plugins
 
 // This is sent from the renderer to the browser to allocate a fake
 // PluginWindowHandle on the browser side which is used to identify
 // the plugin to the browser later when backing store is allocated
 // or reallocated. |opaque| indicates whether the plugin's output is
 // considered to be opaque, as opposed to translucent. This message
 // is reused for rendering the accelerated compositor's output.
 // |root| indicates whether the output is supposed to cover the
@@ skipping 434 matching lines @@
                      int /* request_id */,
                      PP_Flash_NetAddress /* addr */)
 
 // JavaScript related messages -----------------------------------------------
 
 // Notify the JavaScript engine in the render to change its parameters
 // while performing stress testing.
 IPC_MESSAGE_ROUTED2(ViewMsg_JavaScriptStressTestControl,
                     int /* cmd */,
                     int /* param */)