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

content/browser/renderer_host/render_widget_host.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 "content/browser/renderer_host/render_widget_host.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
@@ skipping 162 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnMsgBlur)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnMsgSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeUpdateTextInputState,
                         OnMsgImeUpdateTextInputState)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCompositionRangeChanged,
                         OnMsgImeCompositionRangeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
                         OnMsgImeCancelComposition)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidActivateAcceleratedCompositing,
                         OnMsgDidActivateAcceleratedCompositing)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_PpapiPluginFocusChanged,
+                        OnMsgPpapiPluginFocusChanged)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetScreenInfo, OnMsgGetScreenInfo)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetWindowRect, OnMsgGetWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetRootWindowRect, OnMsgGetRootWindowRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PluginFocusChanged,
                         OnMsgPluginFocusChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_StartPluginIme,
                         OnMsgStartPluginIme)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AllocateFakePluginWindowHandle,
                         OnAllocateFakePluginWindowHandle)
@@ skipping 845 matching lines @@
     view_->GpuRenderingStateDidChange();
 #elif defined(OS_WIN)
   if (view_)
     view_->ShowCompositorHostWindow(is_accelerated_compositing_active_);
 #elif defined(TOOLKIT_USES_GTK)
   if (view_)
     view_->AcceleratedCompositingActivated(activated);
 #endif
 }
 
+void RenderWidgetHost::OnMsgPpapiPluginFocusChanged(bool focused) {
+  if (view_)
+    view_->PpapiPluginFocusChanged(focused);
+}
+
 #if defined(OS_MACOSX)
 
 void RenderWidgetHost::OnMsgGetScreenInfo(gfx::NativeViewId view,
                                           WebScreenInfo* results) {
   gfx::NativeView native_view = view_ ? view_->GetNativeView() : NULL;
   *results = WebScreenInfoFactory::screenInfo(native_view);
 }
 
 void RenderWidgetHost::OnMsgGetWindowRect(gfx::NativeViewId window_id,
                                           gfx::Rect* results) {
@@ skipping 213 matching lines @@
     view_->CreatePluginContainer(deferred_plugin_handles_[i]);
 #endif
   }
 
   deferred_plugin_handles_.clear();
 }
 
 void RenderWidgetHost::StartUserGesture() {
   OnUserGesture();
 }