PageInfoRefactoring to Field Trial Testing Configuration

Bug: 1073831
Change-Id: Ib4d61f98b55ab6c2311cd1627ce12391d0c97e58
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2279974Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Commit-Queue: Ewann Pellé <ewannpv@chromium.org>
Cr-Commit-Position: refs/heads/master@{#790286}

ios/chrome/browser/ui/reading_list/reading_list_egtest.mm

@@ -414,6 +414,12 @@ void AssertIsShowingDistillablePage(bool online, const GURL& distillable_url) {
 @synthesize serverRespondsWithContent = _serverRespondsWithContent;
 @synthesize serverResponseDelay = _serverResponseDelay;
 
+- (AppLaunchConfiguration)appConfigurationForTestCase {
+  AppLaunchConfiguration config;
+  config.features_enabled.push_back(kPageInfoRefactoring);
+  return config;
+}
+
 - (void)setUp {
   [super setUp];
   GREYAssertNil([ReadingListAppInterface clearEntries],
@@ -483,9 +489,7 @@ void AssertIsShowingDistillablePage(bool online, const GURL& distillable_url) {
   // Verify that the Page Info is about offline pages.
   id<GREYMatcher> pageInfoTitleMatcher =
       chrome_test_util::StaticTextWithAccessibilityLabelId(
-          base::FeatureList::IsEnabled(kPageInfoRefactoring)
-              ? IDS_IOS_PAGE_INFO_OFFLINE_PAGE_LABEL
-              : IDS_IOS_PAGE_INFO_OFFLINE_TITLE);
+          IDS_IOS_PAGE_INFO_OFFLINE_PAGE_LABEL);
   [[EarlGrey selectElementWithMatcher:pageInfoTitleMatcher]
       assertWithMatcher:grey_notNil()];
 

testing/variations/fieldtrial_testing_config.json

@@ -3355,6 +3355,21 @@
             ]
         }
     ],
+    "IOSPageInfoRefactoring": [
+        {
+            "platforms": [
+                "ios"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "PageInfoRefactoring"
+                    ]
+                }
+            ]
+        }
+    ],
     "IOSReloadSadTab": [
         {
             "platforms": [