Reverting 23702.

chrome/browser/autocomplete/autocomplete_edit_view_mac.mm

Index: chrome/browser/autocomplete/autocomplete_edit_view_mac.mm
===================================================================
--- chrome/browser/autocomplete/autocomplete_edit_view_mac.mm	(revision 24224)
+++ chrome/browser/autocomplete/autocomplete_edit_view_mac.mm	(working copy)
@@ -365,18 +365,6 @@
 }
 
 void AutocompleteEditViewMac::SetText(const std::wstring& display_text) {
-  // Exit if an input method is composing text.
-  // NSTextView finishes an ongoing composition when updating the value of an
-  // NSTextField instance. This prevents inputting non-ASCII characters which
-  // need input methods, such as Latin characters, CJK characters, etc.
-  // To prevent updating this NSTextField value while an input method is
-  // composing text, we check whether or not the field editor for this control
-  // has marked text, text being composed by an input method, and return if
-  // the editor has marked text.
-  NSTextView* text_view = static_cast<NSTextView*>([field_ currentEditor]);
-  if (text_view && [text_view hasMarkedText])
-    return;
-
   NSString* ss = base::SysWideToNSString(display_text);
   NSMutableAttributedString* as =
       [[[NSMutableAttributedString alloc] initWithString:ss] autorelease];