Move code about browsing data from PrefServiceBridge to BrowsingDataBridge.

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java
index dcdad1e697ee0e3c0bfcbb2b5a9c5ac5dbc07be8..e92b1e9fc81fe71efc0ff8f2b5a160e4658bffd2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivitySessionTracker.java
@@ -25,6 +25,7 @@ import org.chromium.chrome.browser.metrics.VariationsSession;
 import org.chromium.chrome.browser.notifications.NotificationPlatformBridge;
 import org.chromium.chrome.browser.partnercustomizations.PartnerBrowserCustomizations;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
+import org.chromium.chrome.browser.preferences.privacy.BrowsingDataBridge;
 import org.chromium.chrome.browser.share.ShareHelper;
 import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 import org.chromium.chrome.browser.util.FeatureUtilities;
@@ -183,17 +184,16 @@ public class ChromeActivitySessionTracker {
      * {@link #onStart} instead of {@link #initialize}.
      */
     private void updateAcceptLanguages() {
-        PrefServiceBridge instance = PrefServiceBridge.getInstance();
         String localeString = LocaleUtils.getDefaultLocaleListString();
         if (hasLocaleChanged(localeString)) {
-            instance.resetAcceptLanguages(localeString);
+            PrefServiceBridge.getInstance().resetAcceptLanguages(localeString);
             // Clear cache so that accept-languages change can be applied immediately.
             // TODO(changwan): The underlying BrowsingDataRemover::Remove() is an asynchronous call.
             // So cache-clearing may not be effective if URL rendering can happen before
             // OnBrowsingDataRemoverDone() is called, in which case we may have to reload as well.
             // Check if it can happen.
-            instance.clearBrowsingData(
-                    null, new int[]{ BrowsingDataType.CACHE }, TimePeriod.ALL_TIME);
+            BrowsingDataBridge.getInstance().clearBrowsingData(
+                    null, new int[] {BrowsingDataType.CACHE}, TimePeriod.ALL_TIME);
         }
     }