Remove unused context in ChromePreferenceManager.

chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java

Index: chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java b/chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java
index 512b4547b65686107affc55fc08ee5d76285d70e..9afca1572eee57523edb55f652321f585cd52629 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java
@@ -168,8 +168,7 @@ public class FeatureUtilities {
             // Allowing disk access for preferences while prototyping.
             StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
             try {
-                sCachedHerbFlavor =
-                        ChromePreferenceManager.getInstance(context).getCachedHerbFlavor();
+                sCachedHerbFlavor = ChromePreferenceManager.getInstance().getCachedHerbFlavor();
             } finally {
                 StrictMode.setThreadPolicy(oldPolicy);
             }
@@ -222,7 +221,7 @@ public class FeatureUtilities {
         sCachedHerbFlavor = newFlavor;
 
         if (!TextUtils.equals(oldFlavor, newFlavor)) {
-            ChromePreferenceManager.getInstance(context).setCachedHerbFlavor(newFlavor);
+            ChromePreferenceManager.getInstance().setCachedHerbFlavor(newFlavor);
         }
     }
 
@@ -246,7 +245,7 @@ public class FeatureUtilities {
         if (DeviceFormFactor.isTablet(context)) return;
 
         boolean isChromeHomeEnabled = ChromeFeatureList.isEnabled(ChromeFeatureList.CHROME_HOME);
-        ChromePreferenceManager manager = ChromePreferenceManager.getInstance(context);
+        ChromePreferenceManager manager = ChromePreferenceManager.getInstance();
         boolean valueChanged = isChromeHomeEnabled != manager.isChromeHomeEnabled();
         manager.setChromeHomeEnabled(isChromeHomeEnabled);
         sChromeHomeEnabled = isChromeHomeEnabled;
@@ -260,9 +259,7 @@ public class FeatureUtilities {
      */
     public static boolean isChromeHomeEnabled() {
         if (sChromeHomeEnabled == null) {
-            ChromePreferenceManager manager =
-                    ChromePreferenceManager.getInstance(ContextUtils.getApplicationContext());
-            sChromeHomeEnabled = manager.isChromeHomeEnabled();
+            sChromeHomeEnabled = ChromePreferenceManager.getInstance().isChromeHomeEnabled();
         }
 
         return sChromeHomeEnabled;