Update Mus IME mojom and struct traits with new style enums and tests.

services/ui/public/interfaces/ime/ime.mojom

Index: services/ui/public/interfaces/ime/ime.mojom
diff --git a/services/ui/public/interfaces/ime/ime.mojom b/services/ui/public/interfaces/ime/ime.mojom
index b209048eef3396b3764890311b7d06d483d352e6..b38453e600db8587f8c46f9c851845169938a428 100644
--- a/services/ui/public/interfaces/ime/ime.mojom
+++ b/services/ui/public/interfaces/ime/ime.mojom
@@ -76,40 +76,40 @@ struct CompositionText {
 
 // See comments for ui::TextInputType for more details.
 enum TextInputType {
-  NONE,
-  TEXT,
-  PASSWORD,
-  SEARCH,
-  EMAIL,
-  NUMBER,
-  TELEPHONE,
-  URL,
-  DATE,
-  TIME,
-  DATETIME,
-  DATETIME_LOCAL,
-  MONTH,
-  WEEK,
-  TEXT_AREA,
-  CONTENT_EDITABLE,
-  DATETIME_FIELD
+  kNone,
+  kText,
+  kPassword,
+  kSearch,
+  kEmail,
+  kNumber,
+  kTelephone,
+  kUrl,
+  kDate,
+  kTime,
+  kDateTime,
+  kDateTimeLocal,
+  kMonth,
+  kWeek,
+  kTextArea,
+  kContentEditable,
+  kDateTimeField
 };
 
 // See comments for ui::TextInputMode for more details.
 enum TextInputMode {
-  DEFAULT,
-  VERBATIM,
-  LATIN,
-  LATIN_NAME,
-  LATIN_PROSE,
-  FULL_WIDTH_LATIN,
-  KANA,
-  KANA_NAME,
-  KATAKANA,
-  NUMERIC,
-  TEL,
-  EMAIL,
-  URL,
+  kDefault,
+  kVerbatim,
+  kLatin,
+  kLatinName,
+  kLatinProse,
+  kFullWidthLatin,
+  kKana,
+  kKanaName,
+  kKatakana,
+  kNumeric,
+  kTel,
+  kEmail,
+  kUrl,
 };
 
 // Parameters needed to start an IME session.