Remove keyIdentifier.

content/browser/renderer_host/input/web_input_event_builders_mac.mm

Index: content/browser/renderer_host/input/web_input_event_builders_mac.mm
diff --git a/content/browser/renderer_host/input/web_input_event_builders_mac.mm b/content/browser/renderer_host/input/web_input_event_builders_mac.mm
index 2fdc15057c74366e2a1ced63ef9debdd47005e3f..4b11acbea4bfbedc6f4f84c6fcb0a529bf2105c0 100644
--- a/content/browser/renderer_host/input/web_input_event_builders_mac.mm
+++ b/content/browser/renderer_host/input/web_input_event_builders_mac.mm
@@ -150,338 +150,6 @@ inline NSString* UnmodifiedTextFromEvent(NSEvent* event) {
   return FilterSpecialCharacter([event charactersIgnoringModifiers]);
 }
 
-NSString* KeyIdentifierForKeyEvent(NSEvent* event) {
-  if ([event type] == NSFlagsChanged) {
-    switch ([event keyCode]) {
-      case 54:  // Right Command
-      case 55:  // Left Command
-        return @"Meta";
-
-      case 57:  // Capslock
-        return @"CapsLock";
-
-      case 56:  // Left Shift
-      case 60:  // Right Shift
-        return @"Shift";
-
-      case 58:  // Left Alt
-      case 61:  // Right Alt
-        return @"Alt";
-
-      case 59:  // Left Ctrl
-      case 62:  // Right Ctrl
-        return @"Control";
-
-      // Begin non-Apple addition/modification
-      // --------------------------------------
-      case 63:  // Function
-        return @"Function";
-
-      default:  // Unknown, but this may be a strange/new keyboard.
-        return @"Unidentified";
-        // End non-Apple addition/modification
-        // ----------------------------------------
-    }
-  }
-
-  NSString* s = [event charactersIgnoringModifiers];
-  if ([s length] != 1)
-    return @"Unidentified";
-
-  unichar c = [s characterAtIndex:0];
-  switch (c) {
-    // Each identifier listed in the DOM spec is listed here.
-    // Many are simply commented out since they do not appear on standard
-    // Macintosh keyboards
-    // or are on a key that doesn't have a corresponding character.
-
-    // "Accept"
-    // "AllCandidates"
-
-    // "Alt"
-    case NSMenuFunctionKey:
-      return @"Alt";
-
-    // "Apps"
-    // "BrowserBack"
-    // "BrowserForward"
-    // "BrowserHome"
-    // "BrowserRefresh"
-    // "BrowserSearch"
-    // "BrowserStop"
-    // "CapsLock"
-
-    // "Clear"
-    case NSClearLineFunctionKey:
-      return @"Clear";
-
-    // "CodeInput"
-    // "Compose"
-    // "Control"
-    // "Crsel"
-    // "Convert"
-    // "Copy"
-    // "Cut"
-
-    // "Down"
-    case NSDownArrowFunctionKey:
-      return @"Down";
-    // "End"
-    case NSEndFunctionKey:
-      return @"End";
-    // "Enter"
-    case 0x3:
-    case 0xA:
-    case 0xD:  // Macintosh calls the one on the main keyboard Return, but
-               // Windows calls it Enter, so we'll do the same for the DOM
-      return @"Enter";
-
-    // "EraseEof"
-
-    // "Execute"
-    case NSExecuteFunctionKey:
-      return @"Execute";
-
-    // "Exsel"
-
-    // "F1"
-    case NSF1FunctionKey:
-      return @"F1";
-    // "F2"
-    case NSF2FunctionKey:
-      return @"F2";
-    // "F3"
-    case NSF3FunctionKey:
-      return @"F3";
-    // "F4"
-    case NSF4FunctionKey:
-      return @"F4";
-    // "F5"
-    case NSF5FunctionKey:
-      return @"F5";
-    // "F6"
-    case NSF6FunctionKey:
-      return @"F6";
-    // "F7"
-    case NSF7FunctionKey:
-      return @"F7";
-    // "F8"
-    case NSF8FunctionKey:
-      return @"F8";
-    // "F9"
-    case NSF9FunctionKey:
-      return @"F9";
-    // "F10"
-    case NSF10FunctionKey:
-      return @"F10";
-    // "F11"
-    case NSF11FunctionKey:
-      return @"F11";
-    // "F12"
-    case NSF12FunctionKey:
-      return @"F12";
-    // "F13"
-    case NSF13FunctionKey:
-      return @"F13";
-    // "F14"
-    case NSF14FunctionKey:
-      return @"F14";
-    // "F15"
-    case NSF15FunctionKey:
-      return @"F15";
-    // "F16"
-    case NSF16FunctionKey:
-      return @"F16";
-    // "F17"
-    case NSF17FunctionKey:
-      return @"F17";
-    // "F18"
-    case NSF18FunctionKey:
-      return @"F18";
-    // "F19"
-    case NSF19FunctionKey:
-      return @"F19";
-    // "F20"
-    case NSF20FunctionKey:
-      return @"F20";
-    // "F21"
-    case NSF21FunctionKey:
-      return @"F21";
-    // "F22"
-    case NSF22FunctionKey:
-      return @"F22";
-    // "F23"
-    case NSF23FunctionKey:
-      return @"F23";
-    // "F24"
-    case NSF24FunctionKey:
-      return @"F24";
-
-    // "FinalMode"
-
-    // "Find"
-    case NSFindFunctionKey:
-      return @"Find";
-
-    // "FullWidth"
-    // "HalfWidth"
-    // "HangulMode"
-    // "HanjaMode"
-
-    // "Help"
-    case NSHelpFunctionKey:
-      return @"Help";
-
-    // "Hiragana"
-
-    // "Home"
-    case NSHomeFunctionKey:
-      return @"Home";
-    // "Insert"
-    case NSInsertFunctionKey:
-      return @"Insert";
-
-    // "JapaneseHiragana"
-    // "JapaneseKatakana"
-    // "JapaneseRomaji"
-    // "JunjaMode"
-    // "KanaMode"
-    // "KanjiMode"
-    // "Katakana"
-    // "LaunchApplication1"
-    // "LaunchApplication2"
-    // "LaunchMail"
-
-    // "Left"
-    case NSLeftArrowFunctionKey:
-      return @"Left";
-
-    // "Meta"
-    // "MediaNextTrack"
-    // "MediaPlayPause"
-    // "MediaPreviousTrack"
-    // "MediaStop"
-
-    // "ModeChange"
-    case NSModeSwitchFunctionKey:
-      return @"ModeChange";
-
-    // "Nonconvert"
-    // "NumLock"
-
-    // "PageDown"
-    case NSPageDownFunctionKey:
-      return @"PageDown";
-    // "PageUp"
-    case NSPageUpFunctionKey:
-      return @"PageUp";
-
-    // "Paste"
-
-    // "Pause"
-    case NSPauseFunctionKey:
-      return @"Pause";
-
-    // "Play"
-    // "PreviousCandidate"
-
-    // "PrintScreen"
-    case NSPrintScreenFunctionKey:
-      return @"PrintScreen";
-
-    // "Process"
-    // "Props"
-
-    // "Right"
-    case NSRightArrowFunctionKey:
-      return @"Right";
-
-    // "RomanCharacters"
-
-    // "Scroll"
-    case NSScrollLockFunctionKey:
-      return @"Scroll";
-    // "Select"
-    case NSSelectFunctionKey:
-      return @"Select";
-
-    // "SelectMedia"
-    // "Shift"
-
-    // "Stop"
-    case NSStopFunctionKey:
-      return @"Stop";
-    // "Up"
-    case NSUpArrowFunctionKey:
-      return @"Up";
-    // "Undo"
-    case NSUndoFunctionKey:
-      return @"Undo";
-
-    // "VolumeDown"
-    // "VolumeMute"
-    // "VolumeUp"
-    // "Win"
-    // "Zoom"
-
-    // More function keys, not in the key identifier specification.
-    case NSF25FunctionKey:
-      return @"F25";
-    case NSF26FunctionKey:
-      return @"F26";
-    case NSF27FunctionKey:
-      return @"F27";
-    case NSF28FunctionKey:
-      return @"F28";
-    case NSF29FunctionKey:
-      return @"F29";
-    case NSF30FunctionKey:
-      return @"F30";
-    case NSF31FunctionKey:
-      return @"F31";
-    case NSF32FunctionKey:
-      return @"F32";
-    case NSF33FunctionKey:
-      return @"F33";
-    case NSF34FunctionKey:
-      return @"F34";
-    case NSF35FunctionKey:
-      return @"F35";
-
-    // Turn 0x7F into 0x08, because backspace needs to always be 0x08.
-    case 0x7F:
-      return @"U+0008";
-    // Standard says that DEL becomes U+007F.
-    case NSDeleteFunctionKey:
-      return @"U+007F";
-
-    // Always use 0x09 for tab instead of AppKit's backtab character.
-    case NSBackTabCharacter:
-      return @"U+0009";
-
-    case NSBeginFunctionKey:
-    case NSBreakFunctionKey:
-    case NSClearDisplayFunctionKey:
-    case NSDeleteCharFunctionKey:
-    case NSDeleteLineFunctionKey:
-    case NSInsertCharFunctionKey:
-    case NSInsertLineFunctionKey:
-    case NSNextFunctionKey:
-    case NSPrevFunctionKey:
-    case NSPrintFunctionKey:
-    case NSRedoFunctionKey:
-    case NSResetFunctionKey:
-    case NSSysReqFunctionKey:
-    case NSSystemFunctionKey:
-    case NSUserFunctionKey:
-    // FIXME: We should use something other than the vendor-area Unicode values
-    // for the above keys.
-    // For now, just fall through to the default.
-    default:
-      return [NSString stringWithFormat:@"U+%04X", base::ToUpperASCII(c)];
-  }
-}
-
 // End Apple code.
 // ----------------------------------------------------------------------------
 
@@ -624,7 +292,6 @@ blink::WebKeyboardEvent WebKeyboardEventBuilder::Build(NSEvent* event) {
   result.domKey = DomKeyFromEvent(event);
   NSString* text_str = TextFromEvent(event);
   NSString* unmodified_str = UnmodifiedTextFromEvent(event);
-  NSString* identifier_str = KeyIdentifierForKeyEvent(event);
 
   // Begin Apple code, copied from KeyEventMac.mm
 
@@ -651,10 +318,6 @@ blink::WebKeyboardEvent WebKeyboardEventBuilder::Build(NSEvent* event) {
   } else
     NOTIMPLEMENTED();
 
-  [identifier_str getCString:&result.keyIdentifier[0]
-                   maxLength:sizeof(result.keyIdentifier)
-                    encoding:NSASCIIStringEncoding];
-
   result.timeStampSeconds = [event timestamp];
   result.isSystemKey = IsSystemKeyEvent(result);