For mozilla-mobile#12361 - Implement equals and hashCode methods for …

…SearchRequest

components/concept/engine/src/main/java/mozilla/components/concept/engine/search/SearchRequest.kt

@@ -7,4 +7,19 @@ package mozilla.components.concept.engine.search
 /**
  * Value type that represents a request for showing a search to the user.
  */
-data class SearchRequest(val isPrivate: Boolean, val query: String)
+data class SearchRequest(val isPrivate: Boolean, val query: String) {
+    override fun equals(other: Any?): Boolean {
+        if (other === this) return true
+        if (other !is SearchRequest) return false
+        if (other.isPrivate != this.isPrivate) return false
+        if (other.query != this.query) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        /* auto-generated */
+        var result = isPrivate.hashCode()
+        result = 31 * result + query.hashCode()
+        return result
+    }
+}