Revert of [KeyboardEvent] Add embedder APIs to translate between Dom |key| enum and strings

content/browser/renderer_host/web_input_event_aura_unittest.cc

Index: content/browser/renderer_host/web_input_event_aura_unittest.cc
diff --git a/content/browser/renderer_host/web_input_event_aura_unittest.cc b/content/browser/renderer_host/web_input_event_aura_unittest.cc
index f20e82b01450651089e840ed620cf10a93c9e080..9f0cf473a73395a72dcaaa54bfd04eb98f38763e 100644
--- a/content/browser/renderer_host/web_input_event_aura_unittest.cc
+++ b/content/browser/renderer_host/web_input_event_aura_unittest.cc
@@ -34,8 +34,6 @@
               webkit_event.modifiers);
     EXPECT_EQ(static_cast<int>(ui::DomCode::CONTROL_LEFT),
               webkit_event.domCode);
-    EXPECT_EQ(static_cast<int>(ui::DomKey::CONTROL),
-              webkit_event.domKey);
   }
   {
     // Release Ctrl.
@@ -46,9 +44,6 @@
     EXPECT_EQ(blink::WebInputEvent::IsLeft, webkit_event.modifiers);
     EXPECT_EQ(static_cast<int>(ui::DomCode::CONTROL_LEFT),
               webkit_event.domCode);
-    EXPECT_EQ(static_cast<int>(ui::DomKey::CONTROL),
-              webkit_event.domKey);
-
   }
 #if defined(USE_X11)
   const int kLocationModifiers =