Introduces snackbar enum, & other snackbar classes on android for translate

chrome/browser/ui/android/infobars/translate_compact_infobar.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/android/infobars/translate_compact_infobar.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 88 matching lines @@
   }
 }
 
 void TranslateCompactInfoBar::ApplyBoolTranslateOption(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
     int option,
     jboolean value) {
   translate::TranslateInfoBarDelegate* delegate = GetDelegate();
   if (option == TranslateUtils::OPTION_ALWAYS_TRANSLATE) {
-    if (delegate->ShouldAlwaysTranslate() != value)
+    if (delegate->ShouldAlwaysTranslate() != value) {
       delegate->ToggleAlwaysTranslate();
+    }
   } else if (option == TranslateUtils::OPTION_NEVER_TRANSLATE) {
-    if (value && delegate->IsTranslatableLanguageByPrefs())
+    if (value && delegate->IsTranslatableLanguageByPrefs()) {
       delegate->ToggleTranslatableLanguageByPrefs();
+    }
   } else if (option == TranslateUtils::OPTION_NEVER_TRANSLATE_SITE) {
-    if (value && !delegate->IsSiteBlacklisted())
+    if (value && !delegate->IsSiteBlacklisted()) {
       delegate->ToggleSiteBlacklist();
+    }
   } else {
     DCHECK(false);
   }
 }
 
 void TranslateCompactInfoBar::OnPageTranslated(
     const std::string& original_lang,
     const std::string& translated_lang,
     translate::TranslateErrors::Type error_type) {
   if (!owner())
     return;  // We're closing; don't call anything, it might access the owner.
 
   DCHECK(translate_driver_);
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_TranslateCompactInfoBar_onPageTranslated(env, GetJavaInfoBar(),
                                                 error_type);
 }
 
 translate::TranslateInfoBarDelegate* TranslateCompactInfoBar::GetDelegate() {
   return delegate()->AsTranslateInfoBarDelegate();
 }
 
 // Native JNI methods ---------------------------------------------------------
 
 // static
 bool RegisterTranslateCompactInfoBar(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }