Define WebTextInputMode as a enum in the public API.

third_party/WebKit/public/platform/WebTextInputInfo.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebTextInputInfo_h
 #define WebTextInputInfo_h
 
 #include "WebCommon.h"
 #include "WebString.h"
+#include "WebTextInputMode.h"
 #include "WebTextInputType.h"
 
 namespace blink {
 
 struct WebTextInputInfo {
   WebTextInputType type;
   int flags;
 
   // The value of the currently focused input field.
   WebString value;
 
   // The cursor position of the current selection start, or the caret position
   // if nothing is selected.
   int selectionStart;
 
   // The cursor position of the current selection end, or the caret position
   // if nothing is selected.
   int selectionEnd;
 
   // The start position of the current composition, or -1 if there is none.
   int compositionStart;
 
   // The end position of the current composition, or -1 if there is none.
   int compositionEnd;
 
   // The inputmode attribute value of the currently focused input field.
-  // This string is lower-case.
-  WebString inputMode;
+  WebTextInputMode inputMode;
 
   BLINK_PLATFORM_EXPORT bool equals(const WebTextInputInfo&) const;
 
   WebTextInputInfo()
       : type(WebTextInputTypeNone),
         flags(WebTextInputFlagNone),
         selectionStart(0),
         selectionEnd(0),
         compositionStart(-1),
-        compositionEnd(-1) {}
+        compositionEnd(-1),
+        inputMode(kWebTextInputModeDefault) {}
 };
 
 inline bool operator==(const WebTextInputInfo& a, const WebTextInputInfo& b) {
   return a.equals(b);
 }
 
 inline bool operator!=(const WebTextInputInfo& a, const WebTextInputInfo& b) {
   return !(a == b);
 }
 
 }  // namespace blink
 
 #endif