Add initial VR interactive omnibox.

chrome/browser/android/vr_shell/vr_omnibox.cc

Index: chrome/browser/android/vr_shell/vr_omnibox.cc
diff --git a/chrome/browser/android/vr_shell/vr_omnibox.cc b/chrome/browser/android/vr_shell/vr_omnibox.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a5e7092feab60767efc18c87e085f1b6eb1d5840
--- /dev/null
+++ b/chrome/browser/android/vr_shell/vr_omnibox.cc
@@ -0,0 +1,67 @@
+// 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/android/vr_shell/vr_omnibox.h"
+
+#include <string>
+#include <utility>
+
+#include "base/strings/string16.h"
+#include "chrome/browser/android/vr_shell/ui_interface.h"
+#include "chrome/browser/autocomplete/chrome_autocomplete_provider_client.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "components/omnibox/browser/autocomplete_classifier.h"
+#include "components/omnibox/browser/autocomplete_controller.h"
+#include "components/omnibox/browser/autocomplete_input.h"
+
+namespace vr_shell {
+
+VrOmnibox::VrOmnibox(UiInterface* ui)
+    : ui_(ui),
+      profile_(ProfileManager::GetLastUsedProfile()),
+      autocomplete_controller_(base::MakeUnique<AutocompleteController>(
+          base::MakeUnique<ChromeAutocompleteProviderClient>(profile_),
+          this,
+          AutocompleteClassifier::kDefaultOmniboxProviders)) {}
+
+VrOmnibox::~VrOmnibox() = default;
+
+void VrOmnibox::HandleInput(const base::DictionaryValue& dict) {
+  base::string16 text;
+  CHECK(dict.GetString("text", &text));
+
+  // TODO(crbug.com/683344): Scrub and appropriately tune these parameters.
+  GURL current_url;
+  size_t cursor_pos = base::string16::npos;
+  std::string desired_tld;
+  metrics::OmniboxEventProto::PageClassification page_classification =
+      metrics::OmniboxEventProto::OTHER;
+  bool prevent_inline_autocomplete = false;
+  bool prefer_keyword = false;
+  bool allow_exact_keyword_match = false;
+  bool want_asynchronous_matches = true;
+  bool from_omnibox_focus = false;
+
+  autocomplete_controller_->Start(AutocompleteInput(
+      text, cursor_pos, desired_tld, current_url, page_classification,
+      prevent_inline_autocomplete, prefer_keyword, allow_exact_keyword_match,
+      want_asynchronous_matches, from_omnibox_focus,
+      ChromeAutocompleteSchemeClassifier(profile_)));
+}
+
+void VrOmnibox::OnResultChanged(bool default_match_changed) {
+  const AutocompleteResult& result = autocomplete_controller_->result();
+  auto suggestions = base::MakeUnique<base::ListValue>();
+
+  for (const AutocompleteMatch& match : result) {
+    auto entry = base::MakeUnique<base::DictionaryValue>();
+    entry->SetString("description", match.contents);
+    entry->SetString("url", match.destination_url.spec());
+    suggestions->Append(std::move(entry));
+  }
+
+  ui_->SetOmniboxSuggestions(std::move(suggestions));
+}
+
+}  // namespace vr_shell