Move JNI bindings for url_formatter from chrome to //components/url_formatter

components/url_formatter/url_formatter_android.cc

+// Copyright 2016 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 "components/url_formatter/url_formatter_android.h"
+
+#include <string>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "components/url_formatter/elide_url.h"
+#include "components/url_formatter/url_fixer.h"
+#include "components/url_formatter/url_formatter.h"
+#include "jni/UrlFormatter_jni.h"
+#include "url/gurl.h"
+
+using base::android::ConvertJavaStringToUTF8;

[Peter Kasting, 2016/07/01 06:59:33]

Nit: Avoid this; you already fully-qualify one use below so this is only for one
spot, and you might as well just put the qualifier in there.

+
+namespace {
+
+GURL ConvertJavaStringToGURL(JNIEnv* env, jstring url) {
+  return url ? GURL(ConvertJavaStringToUTF8(env, url)) : GURL();
+}
+
+}  // namespace
+
+namespace url_formatter {
+
+namespace android {
+
+static ScopedJavaLocalRef<jstring> FixupUrl(JNIEnv* env,

[Peter Kasting, 2016/07/01 06:59:33]

Where are any of these static functions exposed to any callers?  It doesn't seem
like anyone can use them.

Nit: Prefer anonymous namespaces to marking functions static.

+                                            const JavaParamRef<jclass>& clazz,
+                                            const JavaParamRef<jstring>& url) {
+  DCHECK(url);
+  GURL fixed_url = url_formatter::FixupURL(
+      base::android::ConvertJavaStringToUTF8(env, url), std::string());
+
+  return fixed_url.is_valid()
+             ? base::android::ConvertUTF8ToJavaString(env, fixed_url.spec())
+             : ScopedJavaLocalRef<jstring>();
+}
+
+static ScopedJavaLocalRef<jstring> FormatUrlForDisplay(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& url) {
+  return base::android::ConvertUTF16ToJavaString(
+      env, url_formatter::FormatUrl(ConvertJavaStringToGURL(env, url)));
+}
+
+static ScopedJavaLocalRef<jstring> FormatUrlForSecurityDisplay(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& url) {
+  return base::android::ConvertUTF16ToJavaString(
+      env, url_formatter::FormatUrlForSecurityDisplay(
+               ConvertJavaStringToGURL(env, url)));
+}
+
+static ScopedJavaLocalRef<jstring> FormatUrlForSecurityDisplayOmitScheme(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& url) {
+  return base::android::ConvertUTF16ToJavaString(
+      env, url_formatter::FormatUrlForSecurityDisplay(
+               ConvertJavaStringToGURL(env, url),
+               url_formatter::SchemeDisplay::OMIT_HTTP_AND_HTTPS));
+}
+
+bool RegisterUrlFormatter(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace android
+
+}  // namespace url_formatter