Auto-enable Physical Web for appropriate users

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
index bc4ec0667c33490316c0a8d335fc23de616ed9d8..ba594a7a5f10007f4b9df8857d5e251177356bc2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
@@ -10,6 +10,8 @@ import android.os.Build;
 import org.chromium.base.ContextUtils;
 import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.preferences.privacy.PrivacyPreferencesManager;
+import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.search_engines.TemplateUrlService;
 import org.chromium.components.location.LocationUtils;
 
 /**
@@ -24,7 +26,7 @@ public class PhysicalWeb {
     private static final int MIN_ANDROID_VERSION = 18;
 
     /**
-     * Evaluate whether the environment is one in which the Physical Web should
+     * Evaluates whether the environment is one in which the Physical Web should
      * be enabled.
      * @return true if the PhysicalWeb should be enabled
      */
@@ -53,7 +55,7 @@ public class PhysicalWeb {
     }
 
     /**
-     * Start the Physical Web feature.
+     * Starts the Physical Web feature.
      * At the moment, this only enables URL discovery over BLE.
      */
     public static void startPhysicalWeb() {
@@ -66,7 +68,7 @@ public class PhysicalWeb {
     }
 
     /**
-     * Stop the Physical Web feature.
+     * Stops the Physical Web feature.
      */
     public static void stopPhysicalWeb() {
         new NearbyBackgroundSubscription(NearbySubscription.UNSUBSCRIBE, new Runnable() {
@@ -108,21 +110,40 @@ public class PhysicalWeb {
     }
 
     /**
-     * Perform various Physical Web operations that should happen on startup.
+     * Performs various Physical Web operations that should happen on startup.
      */
     public static void onChromeStart() {
-        // The PhysicalWebUma calls in this method should be called only when the native library is
-        // loaded.  This is always the case on chrome startup.
-        if (featureIsEnabled() && (isPhysicalWebPreferenceEnabled() || isOnboarding())) {
+        if (!featureIsEnabled()) {
+            stopPhysicalWeb();
+            return;
+        }
+
+        // If this user is in the default state, we need to check if we should enable Physical Web.
+        if (isOnboarding() && shouldAutoEnablePhysicalWeb()) {
+            PrivacyPreferencesManager.getInstance().setPhysicalWebEnabled(true);
+        }
+
+        if (isPhysicalWebPreferenceEnabled()) {
             boolean ignoreOtherClients =
                     ChromeFeatureList.isEnabled(IGNORE_OTHER_CLIENTS_FEATURE_NAME);
             ContextUtils.getAppSharedPreferences().edit()
                     .putBoolean(PREF_IGNORE_OTHER_CLIENTS, ignoreOtherClients)
                     .apply();
             startPhysicalWeb();
+            // The PhysicalWebUma call in this method should be called only when the native library
+            // is loaded.  This is always the case on chrome startup.
             PhysicalWebUma.uploadDeferredMetrics();
-        } else {
-            stopPhysicalWeb();
         }
     }
+
+    /**
+     * Checks if this device should have Physical Web automatically enabled.
+     */
+    private static boolean shouldAutoEnablePhysicalWeb() {
+        LocationUtils locationUtils = LocationUtils.getInstance();
+        return locationUtils.isSystemLocationSettingEnabled()
+                && locationUtils.hasAndroidLocationPermission()
+                && TemplateUrlService.getInstance().isDefaultSearchEngineGoogle()
+                && !Profile.getLastUsedProfile().isOffTheRecord();
+    }
 }