Prefix string16 with base:: in ui/.

ui/base/ime/input_method_win.cc

Index: ui/base/ime/input_method_win.cc
diff --git a/ui/base/ime/input_method_win.cc b/ui/base/ime/input_method_win.cc
index 5a30792e434d6b52d425b038fd171a19319d8638..f59faa627a986b51fa17b63403ac59410817cbb9 100644
--- a/ui/base/ime/input_method_win.cc
+++ b/ui/base/ime/input_method_win.cc
@@ -210,7 +210,7 @@ LRESULT InputMethodWin::OnDocumentFeed(RECONVERTSTRING* reconv) {
   if (reconv->dwSize < need_size)
     return 0;
 
-  string16 text;
+  base::string16 text;
   if (!GetTextInputClient()->GetTextFromRange(text_range, &text))
     return 0;
   DCHECK_EQ(text_range.length(), text.length());
@@ -266,7 +266,7 @@ LRESULT InputMethodWin::OnReconvertString(RECONVERTSTRING* reconv) {
 
   // TODO(penghuang): Return some extra context to help improve IME's
   // reconversion accuracy.
-  string16 text;
+  base::string16 text;
   if (!GetTextInputClient()->GetTextFromRange(selection_range, &text))
     return 0;
   DCHECK_EQ(selection_range.length(), text.length());