[cros-fuzzy-app] Add a Chrome flag to enable Fuzzy App Search

Bug: 990684
Change-Id: I953b5e6140b7d22815f81abba4e9049813a9cd3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1838892Reviewed-by: Jia Meng <jiameng@chromium.org>
Commit-Queue: Thanh Nguyen <thanhdng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702682}

chrome/browser/about_flags.cc

@@ -4542,6 +4542,10 @@ const FeatureEntry kFeatureEntries[] = {
     {"scalable-app-list", flag_descriptions::kScalableAppListName,
      flag_descriptions::kScalableAppListDescription, kOsCrOS,
      FEATURE_VALUE_TYPE(app_list_features::kScalableAppList)},
+    {"fuzzy-app-search", flag_descriptions::kFuzzyAppSearchName,
+     flag_descriptions::kFuzzyAppSearchDescription, kOsCrOS,
+     FEATURE_VALUE_TYPE(app_list_features::kEnableFuzzyAppSearch)},
+
 #endif  // defined(OS_CHROMEOS)
 
     {"passwords-account-storage",

chrome/browser/flag-metadata.json

@@ -2205,6 +2205,11 @@
     "owners": [ "bokan" ],
     "expiry_milestone": 81
   },
+  {
+    "name": "fuzzy-app-search",
+    "owners": [ "thanhdng", "jiameng" ],
+    "expiry_milestone": 82
+  },
   {
     "name": "gaia-action-buttons",
     "owners": [ "jeroendh", "rsorokin" ],

chrome/browser/flag_descriptions.cc

@@ -3481,6 +3481,10 @@ const char kFsNosymfollowDescription[] =
     " option, so the chromuimos LSM denies symlink traversal on the"
     " filesystem.";
 
+const char kFuzzyAppSearchName[] = "Fuzzy app search algorithm in launcher.";
+const char kFuzzyAppSearchDescription[] =
+    "Uses fuzzy search algorithm for app search in launcher.";
+
 const char kGaiaActionButtonsName[] =
     "Enable action buttons on Gaia login screen";
 const char kGaiaActionButtonsDescription[] =

chrome/browser/flag_descriptions.h

@@ -2073,6 +2073,9 @@ extern const char kFirstRunUiTransitionsDescription[];
 extern const char kFsNosymfollowName[];
 extern const char kFsNosymfollowDescription[];
 
+extern const char kFuzzyAppSearchName[];
+extern const char kFuzzyAppSearchDescription[];
+
 extern const char kGaiaActionButtonsName[];
 extern const char kGaiaActionButtonsDescription[];
 

tools/metrics/histograms/enums.xml

@@ -35374,6 +35374,7 @@ Called by update_gpu_driver_bug_workaround_entries.py.-->
   <int value="-1466862366" label="TouchToFillAndroid:enabled"/>
   <int value="-1466759286" label="TabModalJsDialog:disabled"/>
   <int value="-1465172796" label="CCTModule:disabled"/>
+  <int value="-1464832541" label="EnableFuzzyAppSearch:disabled"/>
   <int value="-1463489219" label="OfflinePagesCTSuppressNotifications:enabled"/>
   <int value="-1463410070" label="IPH_DemoMode:enabled"/>
   <int value="-1461261930" label="OutOfBlinkCORS:disabled"/>
@@ -37238,6 +37239,7 @@ from previous Chrome versions.
       label="disable-hide-inactive-stacked-tab-close-buttons"/>
   <int value="1022424308" label="SignedExchangeSubresourcePrefetch:enabled"/>
   <int value="1022992701" label="enable-origin-chip-always"/>
+  <int value="1024560563" label="EnableFuzzyAppSearch:enabled"/>
   <int value="1027252926" label="SyncSupportSecondaryAccount:enabled"/>
   <int value="1033148287" label="NTPShortcuts:disabled"/>
   <int value="1033412163" label="OmniboxDisplayTitleForCurrentUrl:enabled"/>