Propagate the search request params from the browser to the Instant search base page to fix the embe

chrome/common/instant_types_unittest.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/common/instant_types.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+struct TestData {
+  const char* search_request_url;
+  const char* expected_search_query;
+  const char* expected_original_query;
+  const char* expected_rlz_param;
+  const char* expected_input_encoding;
+  const char* expected_assisted_query_stats;
+};
+
+TEST(EmbeddedSearchRequestParams, ExtractParams) {
+  TestData cases[] = {
+    {"https://foo/search?q=google&oq=g&rlz=30ls&ie=utf-8&aqs=chrome..6l5.j04",
+     "google",
+     "g",
+     "30ls",
+     "utf-8",
+     "chrome..6l5.j04"
+    },
+    // Do not populate "rlz" param.
+    {"https://foo/search?q=google%20j&oq=g&ie=utf-8&aqs=chrome.2.65.j04",
+     "google j",
+     "g",
+     "",
+     "utf-8",
+     "chrome.2.65.j04"
+    },
+    // Unescape search query.
+    {"https://foo/search?q=google+j&oq=g&rlz=30&ie=utf-8&aqs=chrome.2.65.j04",
+     "google j",
+     "g",
+     "30",
+     "utf-8",
+     "chrome.2.65.j04"
+    },
+    // Unescape original query.
+    {"https://foo/search?q=g+j%20j&oq=g+j&rlz=30&ie=utf-8&aqs=chrome.2.65.j04",
+     "g j j",
+     "g j",
+     "30",
+     "utf-8",
+     "chrome.2.65.j04"
+    },
+  };
+
+  for (size_t i = 0; i < arraysize(cases); ++i) {
+    EmbeddedSearchRequestParams params(GURL(cases[i].search_request_url));
+    EXPECT_EQ(cases[i].expected_search_query,
+              base::UTF16ToASCII(params.search_query)) << "For index: " << i;
+    EXPECT_EQ(cases[i].expected_original_query,
+              base::UTF16ToASCII(params.original_query)) << "For index: " << i;
+    EXPECT_EQ(cases[i].expected_rlz_param,
+              base::UTF16ToASCII(params.rlz_parameter_value)) <<
+        "For index: " << i;
+    EXPECT_EQ(cases[i].expected_input_encoding,
+              base::UTF16ToASCII(params.input_encoding)) << "For index: " << i;
+    EXPECT_EQ(cases[i].expected_assisted_query_stats,
+              base::UTF16ToASCII(params.assisted_query_stats)) <<
+        "For index: " << i;
+  }
+}