DOM Level 3 .code and .key value enumerations.

ui/events/keycodes/dom4/keycode_converter.h

Index: ui/events/keycodes/dom4/keycode_converter.h
diff --git a/ui/events/keycodes/dom4/keycode_converter.h b/ui/events/keycodes/dom4/keycode_converter.h
index a52d086e8de53ce156eb78b21cec5b37b8fbdba7..ed9411f60ebb47eacd90482bc39b27e7cb88f026 100644
--- a/ui/events/keycodes/dom4/keycode_converter.h
+++ b/ui/events/keycodes/dom4/keycode_converter.h
@@ -13,6 +13,9 @@
 
 namespace ui {
 
+enum class DomCode;
+enum class DomKey;
+
 // This structure is used to define the keycode mapping table.
 // It is defined here because the unittests need access to it.
 typedef struct {
@@ -28,8 +31,8 @@ typedef struct {
   uint16_t native_keycode;
 
   // The UIEvents (aka: DOM4Events) |code| value as defined in:
-  // https://dvcs.w3.org/hg/d4e/raw-file/tip/source_respec.htm
-  const char* code;
+  // http://www.w3.org/TR/DOM-Level-3-Events-code/
+  DomCode code;
 } KeycodeMapEntry;
 
 // A class to convert between the current platform's native keycode (scancode)
@@ -44,6 +47,18 @@ class KeycodeConverter {
   // The returned pointer references a static global string.
   static const char* InvalidKeyboardEventCode();
 
+  // Convert a DomCode enum value to its corresponding UI Event |code| string.
+  static const char* DomCodeToCodeString(DomCode code);
+
+  // Convert a UI Event |code| string to its corresponding ui::DomCode.
+  static DomCode CodeStringToDomCode(const char *code);
+
+  // Convert a native (Mac/Win/Linux) keycode into the DomCode enum value.
+  static DomCode NativeKeycodeToDomCode(uint16_t native_keycode);
+
+  // Convert a DomCode enum value to a native keycode.
+  static uint16_t DomCodeToNativeKeycode(DomCode code);
+
   // Convert a native (Mac/Win/Linux) keycode into the |code| string.
   // The returned pointer references a static global string.
   static const char* NativeKeycodeToCode(uint16_t native_keycode);
@@ -71,9 +86,19 @@ class KeycodeConverter {
   // Convert a DOM3 Event |code| string into a USB keycode value.
   static uint32_t CodeToUsbKeycode(const char* code);
 
+  // Convert a ui::DomKey to its corresponding UI Event |key| string.
+  static const char* DomKeyToKeyString(DomKey key);
+
+  // Convert a UI Event |key| string to its corresponding ui::DomKey.
+  static DomKey KeyStringToDomKey(const char *key);
+
   // Static methods to support testing.
   static size_t NumKeycodeMapEntriesForTest();
   static const KeycodeMapEntry* GetKeycodeMapForTest();
+  static size_t NumDomCodeStringEntriesForTest();
+  static const char* const* DomCodeStringTableForTest();
+  static size_t NumDomKeyStringEntriesForTest();
+  static const char* const* DomKeyStringTableForTest();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(KeycodeConverter);