Escape url to be used in Java layer

components/navigation_interception/navigation_params_android.cc

 // Copyright (c) 2013 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/navigation_interception/navigation_params_android.h"
 
 #include "base/android/jni_string.h"
 #include "jni/NavigationParams_jni.h"
+#include "net/base/escape.h"
+#include "net/base/url_util.h"
 
 using base::android::ConvertUTF8ToJavaString;
 
 namespace navigation_interception {
 
+static GURL EscapeQueryParameters(const GURL& url) {
+  const std::string input = url.query();
+  url::Component cursor(0, input.size());
+  std::string output;
+  url::Component key_range, value_range;
+  while (url::ExtractQueryKeyValue(
+      input.data(), &cursor, &key_range, &value_range)) {
+    std::string key(input.data() + key_range.begin, key_range.len);
+    std::string value(input.data() + value_range.begin, value_range.len);
+    std::string unescaped_key = net::UnescapeURLComponent(
+        key,
+        net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS |
+            net::UnescapeRule::REPLACE_PLUS_WITH_SPACE);
+    std::string unescaped_value = net::UnescapeURLComponent(
+        value,
+        net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS |
+            net::UnescapeRule::REPLACE_PLUS_WITH_SPACE);
+    std::string param_name = net::EscapeQueryParamValue(unescaped_key, true);
+    std::string param_value = net::EscapeQueryParamValue(unescaped_value, true);
+    std::string key_value_pair = (param_name + "=" + param_value);
+    if (!output.empty())
+      output += "&";
+
+    output += key_value_pair;
+  }
+  if (output.empty())
+    return url;
+
+  GURL::Replacements replacements;
+  replacements.SetQueryStr(output);
+  return url.ReplaceComponents(replacements);
+}
+
 base::android::ScopedJavaLocalRef<jobject> CreateJavaNavigationParams(
     JNIEnv* env,
     const NavigationParams& params) {
+  // Escape all the queries.
+  GURL escaped_url = EscapeQueryParameters(params.url());
   ScopedJavaLocalRef<jstring> jstring_url =
-      ConvertUTF8ToJavaString(env, params.url().spec());
+      ConvertUTF8ToJavaString(env, escaped_url.spec());
 
   return Java_NavigationParams_create(env,
                                       jstring_url.obj(),
                                       params.is_post(),
                                       params.has_user_gesture(),
                                       params.transition_type(),
                                       params.is_redirect());
 }
 
 // Register native methods.
 
 bool RegisterNavigationParams(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace navigation_interception