Move ShouldHideTopVerbatimMatch to components/search

To remove chrome/ dependency from AutocompleteResult

BUG=388504
TEST=components_unittest --gtest_filter="ShouldHideTopVerbatimTest.*"

Review URL: https://codereview.chromium.org/450663002

Cr-Commit-Position: refs/heads/master@{#288958}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288958 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 46 insertions, 45 deletions

diff --git a/chrome/browser/autocomplete/autocomplete_result.cc b/chrome/browser/autocomplete/autocomplete_result.cc
index adc5524..0a9424b 100644
--- a/chrome/browser/autocomplete/autocomplete_result.cc
+++ b/chrome/browser/autocomplete/autocomplete_result.cc
@@ -10,13 +10,13 @@
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/search/search.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
 #include "components/omnibox/autocomplete_input.h"
 #include "components/omnibox/autocomplete_match.h"
 #include "components/omnibox/autocomplete_provider.h"
 #include "components/omnibox/omnibox_field_trial.h"
+#include "components/search/search.h"
 #include "components/url_fixer/url_fixer.h"
 
 using metrics::OmniboxEventProto;
diff --git a/chrome/browser/search/search.cc b/chrome/browser/search/search.cc
index a758841..386cd3c 100644
--- a/chrome/browser/search/search.cc
+++ b/chrome/browser/search/search.cc
@@ -45,7 +45,6 @@ namespace chrome {
 
 namespace {
 
-const char kHideVerbatimFlagName[] = "hide_verbatim";
 const char kPrefetchSearchResultsOnSRP[] = "prefetch_results_srp";
 const char kAllowPrefetchNonDefaultMatch[] = "allow_prefetch_non_default_match";
 const char kPrerenderInstantUrlOnOmniboxFocus[] =
@@ -580,12 +579,6 @@ GURL GetLocalInstantURL(Profile* profile) {
   return GURL(chrome::kChromeSearchLocalNtpUrl);
 }
 
-bool ShouldHideTopVerbatimMatch() {
-  FieldTrialFlags flags;
-  return GetFieldTrialInfo(&flags) && GetBoolValueForFlagWithDefault(
-      kHideVerbatimFlagName, false, flags);
-}
-
 DisplaySearchButtonConditions GetDisplaySearchButtonConditions() {
   const CommandLine* cl = CommandLine::ForCurrentProcess();
   if (cl->HasSwitch(switches::kDisableSearchButtonInOmnibox))
diff --git a/chrome/browser/search/search.h b/chrome/browser/search/search.h
index 5c3b014..6088031 100644
--- a/chrome/browser/search/search.h
+++ b/chrome/browser/search/search.h
@@ -178,11 +178,6 @@ bool ShouldReuseInstantSearchBasePage();
 // TODO(kmadhusu): Remove this function and update the call sites.
 GURL GetLocalInstantURL(Profile* profile);
 
-// Returns true if 'hide_verbatim' flag is enabled in field trials
-// to hide the top match in the native suggestions dropdown if it is a verbatim
-// match.  See comments on ShouldHideTopMatch in autocomplete_result.h.
-bool ShouldHideTopVerbatimMatch();
-
 // Returns when we should show a search button in the omnibox.  This may be any
 // of several values, some of which depend on whether the underlying state of
 // the page would normally be to perform search term replacement; see also
diff --git a/chrome/browser/search/search_unittest.cc b/chrome/browser/search/search_unittest.cc
index 4782290..7aab66f 100644
--- a/chrome/browser/search/search_unittest.cc
+++ b/chrome/browser/search/search_unittest.cc
@@ -849,38 +849,6 @@ TEST_F(IsQueryExtractionEnabledTest, EnabledViaCommandLine) {
   EXPECT_EQ(2ul, EmbeddedSearchPageVersion());
 }
 
-typedef SearchTest ShouldHideTopVerbatimTest;
-
-TEST_F(ShouldHideTopVerbatimTest, DoNotHideByDefault) {
-  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
-                                                     "Control"));
-  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
-}
-
-TEST_F(ShouldHideTopVerbatimTest, DoNotHideInInstantExtended) {
-  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
-                                                     "Group1"));
-  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
-}
-
-TEST_F(ShouldHideTopVerbatimTest, EnableByFlagInInstantExtended) {
-  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
-                                                     "Group1 hide_verbatim:1"));
-  EXPECT_TRUE(ShouldHideTopVerbatimMatch());
-}
-
-TEST_F(ShouldHideTopVerbatimTest, EnableByFlagOutsideInstantExtended) {
-  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
-      "EmbeddedSearch", "Controll1 hide_verbatim:1"));
-  EXPECT_TRUE(ShouldHideTopVerbatimMatch());
-}
-
-TEST_F(ShouldHideTopVerbatimTest, DisableByFlag) {
-  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
-                                                     "Group1 hide_verbatim:0"));
-  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
-}
-
 typedef SearchTest DisplaySearchButtonTest;
 
 TEST_F(DisplaySearchButtonTest, NotSet) {
diff --git a/components/search/search.cc b/components/search/search.cc
index 8689e51..d7e7276 100644
--- a/components/search/search.cc
+++ b/components/search/search.cc
@@ -35,6 +35,8 @@ const uint64 kEmbeddedSearchEnabledVersion = 2;
 const uint64 kEmbeddedPageVersionDefault = 2;
 #endif
 
+const char kHideVerbatimFlagName[] = "hide_verbatim";
+
 // Constants for the field trial name and group prefix.
 // Note in M30 and below this field trial was named "InstantExtended" and in
 // M31 was renamed to EmbeddedSearch for clarity and cleanliness.  Since we
@@ -143,4 +145,10 @@ bool GetBoolValueForFlagWithDefault(const std::string& flag,
   return !!GetUInt64ValueForFlagWithDefault(flag, default_value ? 1 : 0, flags);
 }
 
+bool ShouldHideTopVerbatimMatch() {
+  FieldTrialFlags flags;
+  return GetFieldTrialInfo(&flags) && GetBoolValueForFlagWithDefault(
+      kHideVerbatimFlagName, false, flags);
+}
+
 }  // namespace chrome
diff --git a/components/search/search.h b/components/search/search.h
index df27e60..6cc7927 100644
--- a/components/search/search.h
+++ b/components/search/search.h
@@ -54,6 +54,11 @@ bool GetBoolValueForFlagWithDefault(const std::string& flag,
                                     bool default_value,
                                     const FieldTrialFlags& flags);
 
+// Returns true if 'hide_verbatim' flag is enabled in field trials
+// to hide the top match in the native suggestions dropdown if it is a verbatim
+// match.  See comments on ShouldHideTopMatch in autocomplete_result.h.
+bool ShouldHideTopVerbatimMatch();
+
 }  // namespace chrome
 
 #endif  // COMPONENTS_SEARCH_SEARCH_H_
diff --git a/components/search/search_unittest.cc b/components/search/search_unittest.cc
index b8c4e1d..f4382cc 100644
--- a/components/search/search_unittest.cc
+++ b/components/search/search_unittest.cc
@@ -130,4 +130,36 @@ TEST_F(EmbeddedSearchFieldTrialTest, GetFieldTrialInfoControlFlags) {
   EXPECT_EQ(3ul, flags.size());
 }
 
+typedef EmbeddedSearchFieldTrialTest ShouldHideTopVerbatimTest;
+
+TEST_F(ShouldHideTopVerbatimTest, DoNotHideByDefault) {
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
+                                                     "Control"));
+  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
+}
+
+TEST_F(ShouldHideTopVerbatimTest, DoNotHideInInstantExtended) {
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
+                                                     "Group1"));
+  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
+}
+
+TEST_F(ShouldHideTopVerbatimTest, EnableByFlagInInstantExtended) {
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
+                                                     "Group1 hide_verbatim:1"));
+  EXPECT_TRUE(ShouldHideTopVerbatimMatch());
+}
+
+TEST_F(ShouldHideTopVerbatimTest, EnableByFlagOutsideInstantExtended) {
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
+      "EmbeddedSearch", "Controll1 hide_verbatim:1"));
+  EXPECT_TRUE(ShouldHideTopVerbatimMatch());
+}
+
+TEST_F(ShouldHideTopVerbatimTest, DisableByFlag) {
+  ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial("EmbeddedSearch",
+                                                     "Group1 hide_verbatim:0"));
+  EXPECT_FALSE(ShouldHideTopVerbatimMatch());
+}
+
 }  // namespace chrome