Creates translate_compact_infobar class, which holds the logic for the new translate UI

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

Index: chrome/browser/ui/android/infobars/translate_compact_infobar.h
diff --git a/chrome/browser/ui/android/infobars/translate_compact_infobar.h b/chrome/browser/ui/android/infobars/translate_compact_infobar.h
new file mode 100644
index 0000000000000000000000000000000000000000..aee7e2999d94f28461767f16ab9dde07c23998b4
--- /dev/null
+++ b/chrome/browser/ui/android/infobars/translate_compact_infobar.h
@@ -0,0 +1,43 @@
+// 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.
+
+#ifndef CHROME_BROWSER_UI_ANDROID_INFOBARS_TRANSLATE_COMPACT_INFOBAR_H_
+#define CHROME_BROWSER_UI_ANDROID_INFOBARS_TRANSLATE_COMPACT_INFOBAR_H_
+
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "chrome/browser/translate/chrome_translate_client.h"
+#include "chrome/browser/ui/android/infobars/infobar_android.h"
+
+namespace translate {
+class TranslateInfoBarDelegate;
+}
+
+class TranslateCompactInfoBar : public InfoBarAndroid {
+ public:
+  explicit TranslateCompactInfoBar(
+      std::unique_ptr<translate::TranslateInfoBarDelegate> delegate);
+  ~TranslateCompactInfoBar() override;
+
+  // JNI methods specific to translate.
+  void ApplyTranslateOptions(JNIEnv* env,
+                             const base::android::JavaParamRef<jobject>& obj);
+
+ private:
+  // InfoBarAndroid:
+  base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
+      JNIEnv* env) override;
+  void ProcessButton(int action) override;
+  void SetJavaInfoBar(
+      const base::android::JavaRef<jobject>& java_info_bar) override;
+
+  translate::TranslateInfoBarDelegate* GetDelegate();
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateCompactInfoBar);
+};
+
+// Registers the native methods through JNI.
+bool RegisterTranslateCompactInfoBar(JNIEnv* env);
+
+#endif