[Variations] Bring variations_http_header_provider to variations component

components/variations/variations_http_header_provider_unittest.cc

 // Copyright 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 "chrome/browser/metrics/variations/variations_http_header_provider.h"
+#include "components/variations/variations_http_header_provider.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
-#include "chrome/browser/metrics/variations/proto/chrome_experiments.pb.h"
 #include "components/variations/entropy_provider.h"
+#include "components/variations/proto/chrome_experiments.pb.h"
 #include "components/variations/variations_associated_data.h"
 #include "net/http/http_request_headers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
-namespace chrome_variations {
+// TODO(mathp): Remove once everything is under namespace 'variations'.
+using chrome_variations::GOOGLE_WEB_PROPERTIES;
+using chrome_variations::GOOGLE_WEB_PROPERTIES_TRIGGER;
+using chrome_variations::IDCollectionKey;
+using chrome_variations::VariationID;
+
+namespace variations {
 
 namespace {
 
 // Decodes the variations header and extracts the variation ids.
 bool ExtractVariationIds(const std::string& variations,
                          std::set<VariationID>* variation_ids,
                          std::set<VariationID>* trigger_ids) {
   std::string serialized_proto;
-  if (!base::Base64Decode(variations, &serialized_proto))
-    return false;
+  if (!base::Base64Decode(variations, &serialized_proto)) return false;
   metrics::ChromeVariations proto;
-  if (!proto.ParseFromString(serialized_proto))
-    return false;
+  if (!proto.ParseFromString(serialized_proto)) return false;
   for (int i = 0; i < proto.variation_id_size(); ++i)
     variation_ids->insert(proto.variation_id(i));
   for (int i = 0; i < proto.trigger_variation_id_size(); ++i)
     trigger_ids->insert(proto.trigger_variation_id(i));
   return true;
 }
 
 scoped_refptr<base::FieldTrial> CreateTrialAndAssociateId(
-    const std::string& trial_name,
-    const std::string& default_group_name,
-    IDCollectionKey key,
-    VariationID id) {
+    const std::string& trial_name, const std::string& default_group_name,
+    IDCollectionKey key, VariationID id) {
   scoped_refptr<base::FieldTrial> trial(
       base::FieldTrialList::CreateFieldTrial(trial_name, default_group_name));
 
   chrome_variations::AssociateGoogleVariationID(key, trial->trial_name(),
                                                 trial->group_name(), id);
 
   return trial;
 }
 
 }  // namespace
 
 class VariationsHttpHeaderProviderTest : public ::testing::Test {
  public:
   VariationsHttpHeaderProviderTest() {}
 
   virtual ~VariationsHttpHeaderProviderTest() {}
 
   virtual void TearDown() OVERRIDE {
-    testing::ClearAllVariationIDs();
+    chrome_variations::testing::ClearAllVariationIDs();
   }
 };
 
 TEST_F(VariationsHttpHeaderProviderTest, ShouldAppendHeaders) {
   struct {
     const char* url;
     bool should_append_headers;
   } cases[] = {
-    { "http://google.com", true },
-    { "http://www.google.com", true },
-    { "http://m.google.com", true },
-    { "http://google.ca", true },
-    { "https://google.ca", true },
-    { "http://google.co.uk", true },
-    { "http://google.co.uk:8080/", true },
-    { "http://www.google.co.uk:8080/", true },
-    { "http://google", false },
+        {"http://google.com", true},
+        {"http://www.google.com", true},
+        {"http://m.google.com", true},
+        {"http://google.ca", true},
+        {"https://google.ca", true},
+        {"http://google.co.uk", true},
+        {"http://google.co.uk:8080/", true},
+        {"http://www.google.co.uk:8080/", true},
+        {"http://google", false},
 
-    { "http://youtube.com", true },
-    { "http://www.youtube.com", true },
-    { "http://www.youtube.ca", true },
-    { "http://www.youtube.co.uk:8080/", true },
-    { "https://www.youtube.com", true },
-    { "http://youtube", false },
+        {"http://youtube.com", true},
+        {"http://www.youtube.com", true},
+        {"http://www.youtube.ca", true},
+        {"http://www.youtube.co.uk:8080/", true},
+        {"https://www.youtube.com", true},
+        {"http://youtube", false},
 
-    { "http://www.yahoo.com", false },
+        {"http://www.yahoo.com", false},
 
-    { "http://ad.doubleclick.net", true },
-    { "https://a.b.c.doubleclick.net", true },
-    { "https://a.b.c.doubleclick.net:8081", true },
-    { "http://www.doubleclick.com", true },
-    { "http://www.doubleclick.org", false },
-    { "http://www.doubleclick.net.com", false },
-    { "https://www.doubleclick.net.com", false },
+        {"http://ad.doubleclick.net", true},
+        {"https://a.b.c.doubleclick.net", true},
+        {"https://a.b.c.doubleclick.net:8081", true},
+        {"http://www.doubleclick.com", true},
+        {"http://www.doubleclick.org", false},
+        {"http://www.doubleclick.net.com", false},
+        {"https://www.doubleclick.net.com", false},
 
-    { "http://ad.googlesyndication.com", true },
-    { "https://a.b.c.googlesyndication.com", true },
-    { "https://a.b.c.googlesyndication.com:8080", true },
-    { "http://www.doubleclick.edu", false },
-    { "http://www.googlesyndication.com.edu", false },
-    { "https://www.googlesyndication.com.com", false },
+        {"http://ad.googlesyndication.com", true},
+        {"https://a.b.c.googlesyndication.com", true},
+        {"https://a.b.c.googlesyndication.com:8080", true},
+        {"http://www.doubleclick.edu", false},
+        {"http://www.googlesyndication.com.edu", false},
+        {"https://www.googlesyndication.com.com", false},
 
-    { "http://www.googleadservices.com", true },
-    { "http://www.googleadservices.com:8080", true },
-    { "https://www.googleadservices.com", true },
-    { "https://www.internal.googleadservices.com", true },
-    { "https://www2.googleadservices.com", true },
-    { "https://www.googleadservices.org", false },
-    { "https://www.googleadservices.com.co.uk", false },
+        {"http://www.googleadservices.com", true},
+        {"http://www.googleadservices.com:8080", true},
+        {"https://www.googleadservices.com", true},
+        {"https://www.internal.googleadservices.com", true},
+        {"https://www2.googleadservices.com", true},
+        {"https://www.googleadservices.org", false},
+        {"https://www.googleadservices.com.co.uk", false},
 
-    { "http://WWW.ANDROID.COM", true },
-    { "http://www.android.com", true },
-    { "http://www.doubleclick.com", true },
-    { "http://www.doubleclick.net", true },
-    { "http://www.ggpht.com", true },
-    { "http://www.googleadservices.com", true },
-    { "http://www.googleapis.com", true },
-    { "http://www.googlesyndication.com", true },
-    { "http://www.googleusercontent.com", true },
-    { "http://www.googlevideo.com", true },
-    { "http://ssl.gstatic.com", true },
-    { "http://www.gstatic.com", true },
-    { "http://www.ytimg.com", true },
-    { "http://wwwytimg.com", false },
-    { "http://ytimg.com", false },
+        {"http://WWW.ANDROID.COM", true},
+        {"http://www.android.com", true},
+        {"http://www.doubleclick.com", true},
+        {"http://www.doubleclick.net", true},
+        {"http://www.ggpht.com", true},
+        {"http://www.googleadservices.com", true},
+        {"http://www.googleapis.com", true},
+        {"http://www.googlesyndication.com", true},
+        {"http://www.googleusercontent.com", true},
+        {"http://www.googlevideo.com", true},
+        {"http://ssl.gstatic.com", true},
+        {"http://www.gstatic.com", true},
+        {"http://www.ytimg.com", true},
+        {"http://wwwytimg.com", false},
+        {"http://ytimg.com", false},
 
-    { "http://www.android.org", false },
-    { "http://www.doubleclick.org", false },
-    { "http://www.doubleclick.net", true },
-    { "http://www.ggpht.org", false },
-    { "http://www.googleadservices.org", false },
-    { "http://www.googleapis.org", false },
-    { "http://www.googlesyndication.org", false },
-    { "http://www.googleusercontent.org", false },
-    { "http://www.googlevideo.org", false },
-    { "http://ssl.gstatic.org", false },
-    { "http://www.gstatic.org", false },
-    { "http://www.ytimg.org", false },
+        {"http://www.android.org", false},
+        {"http://www.doubleclick.org", false},
+        {"http://www.doubleclick.net", true},
+        {"http://www.ggpht.org", false},
+        {"http://www.googleadservices.org", false},
+        {"http://www.googleapis.org", false},
+        {"http://www.googlesyndication.org", false},
+        {"http://www.googleusercontent.org", false},
+        {"http://www.googlevideo.org", false},
+        {"http://ssl.gstatic.org", false},
+        {"http://www.gstatic.org", false},
+        {"http://www.ytimg.org", false},
 
-    { "http://a.b.android.com", true },
-    { "http://a.b.doubleclick.com", true },
-    { "http://a.b.doubleclick.net", true },
-    { "http://a.b.ggpht.com", true },
-    { "http://a.b.googleadservices.com", true },
-    { "http://a.b.googleapis.com", true },
-    { "http://a.b.googlesyndication.com", true },
-    { "http://a.b.googleusercontent.com", true },
-    { "http://a.b.googlevideo.com", true },
-    { "http://ssl.gstatic.com", true },
-    { "http://a.b.gstatic.com", true },
-    { "http://a.b.ytimg.com", true },
+        {"http://a.b.android.com", true},
+        {"http://a.b.doubleclick.com", true},
+        {"http://a.b.doubleclick.net", true},
+        {"http://a.b.ggpht.com", true},
+        {"http://a.b.googleadservices.com", true},
+        {"http://a.b.googleapis.com", true},
+        {"http://a.b.googlesyndication.com", true},
+        {"http://a.b.googleusercontent.com", true},
+        {"http://a.b.googlevideo.com", true},
+        {"http://ssl.gstatic.com", true},
+        {"http://a.b.gstatic.com", true},
+        {"http://a.b.ytimg.com", true},
 
-  };
+    };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
     const GURL url(cases[i].url);
     EXPECT_EQ(cases[i].should_append_headers,
-              VariationsHttpHeaderProvider::ShouldAppendHeaders(url)) << url;
+              VariationsHttpHeaderProvider::ShouldAppendHeaders(url))
+        << url;
   }
 }
 
 TEST_F(VariationsHttpHeaderProviderTest, SetDefaultVariationIds_Valid) {
   base::MessageLoop loop;
   VariationsHttpHeaderProvider provider;
   GURL url("http://www.google.com");
   net::HttpRequestHeaders headers;
   std::string variations;
 
@@ skipping 59 matching lines @@
   std::string variations;
   headers.GetHeader("X-Client-Data", &variations);
 
   std::set<VariationID> variation_ids;
   std::set<VariationID> trigger_ids;
   ASSERT_TRUE(ExtractVariationIds(variations, &variation_ids, &trigger_ids));
   EXPECT_TRUE(variation_ids.find(123) != variation_ids.end());
   EXPECT_TRUE(trigger_ids.find(456) != trigger_ids.end());
 }
 
-}  // namespace chrome_variations
+}  // namespace variations