Implement ThreadedInputConnection.deleteSurroundingTextInCodePoints()

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index c43170372a5bb434b4486e365ef1e398fd64c815..724b19c2eac6805cda2b2fa119334142135532a9 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -436,9 +436,16 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void ExtendSelectionAndDelete(size_t before, size_t after);
 
   // Deletes text before and after the current cursor position, excluding the
-  // selection.
+  // selection. The lengths are supplied in Java chars, not in code points or in
+  // glyphs.
   void DeleteSurroundingText(size_t before, size_t after);
 
+  // Deletes text before and after the current cursor position, excluding the
+  // selection. The lengths are supplied in code points, not in Java chars or in
+  // glyphs. Do nothing if there are one or more invalid surrogate pairs in the
+  // requested range

[Changwan Ryu, 2017/01/11 02:00:27]

Period at the end?

[yabinh, 2017/01/24 11:39:56]

Done.

+  void DeleteSurroundingTextInCodePoints(size_t before, size_t after);
+
   // Notifies the RenderFrame that the JavaScript message that was shown was
   // closed by the user.
   void JavaScriptDialogClosed(IPC::Message* reply_msg,