Remove keyIdentifier.

third_party/WebKit/Source/platform/PlatformKeyboardEvent.h

Index: third_party/WebKit/Source/platform/PlatformKeyboardEvent.h
diff --git a/third_party/WebKit/Source/platform/PlatformKeyboardEvent.h b/third_party/WebKit/Source/platform/PlatformKeyboardEvent.h
index 028deacaa1ca297b203a69f97bac2e5d3e4c4b49..abf3841ea4f0d17bc6cefc12421f1f91669e2878 100644
--- a/third_party/WebKit/Source/platform/PlatformKeyboardEvent.h
+++ b/third_party/WebKit/Source/platform/PlatformKeyboardEvent.h
@@ -44,11 +44,10 @@ public:
     {
     }
 
-    PlatformKeyboardEvent(EventType type, const String& text, const String& unmodifiedText, const String& keyIdentifier, const String& code, const String& key, int windowsVirtualKeyCode, int nativeVirtualKeyCode, bool isSystemKey, Modifiers modifiers, double timestamp)
+    PlatformKeyboardEvent(EventType type, const String& text, const String& unmodifiedText, const String& code, const String& key, int windowsVirtualKeyCode, int nativeVirtualKeyCode, bool isSystemKey, Modifiers modifiers, double timestamp)
         : PlatformEvent(type, modifiers, timestamp)
         , m_text(text)
         , m_unmodifiedText(unmodifiedText)
-        , m_keyIdentifier(keyIdentifier)
         , m_code(code)
         , m_key(key)
         , m_windowsVirtualKeyCode(windowsVirtualKeyCode)
@@ -72,8 +71,6 @@ public:
     // Otherwise, same as text().
     String unmodifiedText() const { return m_unmodifiedText; }
 
-    String keyIdentifier() const { return m_keyIdentifier; }
-
     String code() const { return m_code; }
     String key() const { return m_key; }
 
@@ -97,7 +94,6 @@ public:
 protected:
     String m_text;
     String m_unmodifiedText;
-    String m_keyIdentifier;
     String m_code;
     String m_key;
     int m_windowsVirtualKeyCode;