Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/contextual_search/contextual_search_context.cc

+// Copyright 2014 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 "ios/chrome/browser/ui/contextual_search/contextual_search_context.h"
+
+ContextualSearchContext::ContextualSearchContext(
+    const std::string& selected_text,
+    const bool use_resolved_search_term,
+    const GURL& page_url,
+    const std::string& encoding)
+    : selected_text(selected_text),
+      use_resolved_search_term(use_resolved_search_term),
+      page_url(page_url),
+      encoding(encoding),
+      start_offset(-1),
+      end_offset(-1) {}
+
+ContextualSearchContext::~ContextualSearchContext() {}
+
+bool ContextualSearchContext::HasSurroundingText() {
+  return start_offset != -1 && end_offset != -1 && !surrounding_text.empty();
+}