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

content/renderer/render_widget.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/renderer/render_widget.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 1206 matching lines @@
   next_paint_flags_ |= ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK;
 }
 
 void RenderWidget::UpdateInputMethod() {
   if (!input_method_is_active_)
     return;
 
   WebTextInputType new_type = WebKit::WebTextInputTypeNone;
   WebRect new_caret_bounds;
 
-  if (webwidget_) {
-    new_type = webwidget_->textInputType();
-    new_caret_bounds = webwidget_->caretOrSelectionBounds();
-  }
+  GetTextInputType(&new_type, &new_caret_bounds);
 
   // Only sends text input type and caret bounds to the browser process if they
   // are changed.
   if (text_input_type_ != new_type || caret_bounds_ != new_caret_bounds) {
     text_input_type_ = new_type;
     caret_bounds_ = new_caret_bounds;
     Send(new ViewHostMsg_ImeUpdateTextInputState(
         routing_id(), new_type, new_caret_bounds));
   }
 }
 
+void RenderWidget::GetTextInputType(WebKit::WebTextInputType* type,
+                                    WebKit::WebRect* caret_bounds) {
+  if (webwidget_) {
+    *type = webwidget_->textInputType();
+    *caret_bounds = webwidget_->caretOrSelectionBounds();
+  }
+}
+
 WebScreenInfo RenderWidget::screenInfo() {
   WebScreenInfo results;
   Send(new ViewHostMsg_GetScreenInfo(routing_id_, host_window_, &results));
   return results;
 }
 
 void RenderWidget::resetInputMethod() {
   if (!input_method_is_active_)
     return;
 
@@ skipping 36 matching lines @@
 
 void RenderWidget::CleanupWindowInPluginMoves(gfx::PluginWindowHandle window) {
   for (WebPluginGeometryVector::iterator i = plugin_window_moves_.begin();
        i != plugin_window_moves_.end(); ++i) {
     if (i->window == window) {
       plugin_window_moves_.erase(i);
       break;
     }
   }
 }