Get surrounding text from webkit. This CL is for sharing code only.

content/browser/renderer_host/render_widget_host.cc

Index: content/browser/renderer_host/render_widget_host.cc
diff --git a/content/browser/renderer_host/render_widget_host.cc b/content/browser/renderer_host/render_widget_host.cc
index 2a506d01a060dd945aa44d0aa80b686822c0a3df..c9b85bcc5c6492c83a13ee182c1f2cd1e5694d8d 100644
--- a/content/browser/renderer_host/render_widget_host.cc
+++ b/content/browser/renderer_host/render_widget_host.cc
@@ -1077,11 +1077,14 @@ void RenderWidgetHost::OnMsgSetCursor(const WebCursor& cursor) {
 }
 
 void RenderWidgetHost::OnMsgImeUpdateTextInputState(
-    ui::TextInputType type,
-    bool can_compose_inline,
-    const gfx::Rect& caret_rect) {
+    const ViewHostMsg_ImeUpdateTextInputState_Params& params) {
   if (view_)
-    view_->ImeUpdateTextInputState(type, can_compose_inline, caret_rect);
+    view_->ImeUpdateTextInputState(params.text_input_type,
+                                   params.can_compose_inline,
+                                   params.caret_bounds,
+                                   params.surrounding,
+                                   params.cursor,
+                                   params.anchor);
 }
 
 void RenderWidgetHost::OnMsgImeCompositionRangeChanged(const ui::Range& range) {