Add Physical Web omnibox support for Android

chrome/browser/android/omnibox/autocomplete_controller_android.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 "chrome/browser/android/omnibox/autocomplete_controller_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 167 matching lines @@
     jboolean focused_from_fakebox) {
   if (!autocomplete_controller_)
     return;
 
   base::string16 url = ConvertJavaStringToUTF16(env, j_current_url);
   const GURL current_url = GURL(url);
   base::string16 omnibox_text = ConvertJavaStringToUTF16(env, j_omnibox_text);
 
   // If omnibox text is empty, set it to the current URL for the purposes of
   // populating the verbatim match.
-  if (omnibox_text.empty())
+  if (omnibox_text.empty() &&
+      !current_url.SchemeIs(content::kChromeUIScheme) &&
+      !current_url.SchemeIs(chrome::kChromeUINativeScheme))
     omnibox_text = url;
 
   input_ = AutocompleteInput(
       omnibox_text, base::string16::npos, std::string(), current_url,
       ClassifyPage(current_url, focused_from_fakebox),
       false, false, true, true, true,
       ChromeAutocompleteSchemeClassifier(profile_));
   autocomplete_controller_->Start(input_);
 }
 
@@ skipping 396 matching lines @@
     return;
 
   // ZeroSuggestPrefetcher deletes itself after it's done prefetching.
   new ZeroSuggestPrefetcher(profile);
 }
 
 // Register native methods
 bool RegisterAutocompleteControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }