Remove the context argument from all WebappRegistry/WebappDataStorage methods.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java
index d42f7b280ece41d8dd50d1e385f40a713f090f45..f65ee2a29599f7ed34e5d8355ba1ca3106e1d3e1 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDataStorage.java
@@ -106,8 +106,7 @@ public class WebappDataStorage {
         new AsyncTask<Void, Void, Long>() {
             @Override
             protected final Long doInBackground(Void... nothing) {
-                long lastUsed = new WebappDataStorage(context.getApplicationContext(), webappId)
-                        .getLastUsedTime();
+                long lastUsed = new WebappDataStorage(context, webappId).getLastUsedTime();

[Peter Wen, 2016/09/21 14:58:41]

No need to pass in context to the constructor.

[dominickn, 2016/09/22 03:47:00]

Done.

                 assert lastUsed != LAST_USED_INVALID;
                 return lastUsed;
             }
@@ -133,7 +132,7 @@ public class WebappDataStorage {
         new AsyncTask<Void, Void, String>() {
             @Override
             protected final String doInBackground(Void... nothing) {
-                return new WebappDataStorage(context.getApplicationContext(), webappId).getScope();
+                return new WebappDataStorage(context, webappId).getScope();
             }
 
             @Override
@@ -156,7 +155,7 @@ public class WebappDataStorage {
         new AsyncTask<Void, Void, String>() {
             @Override
             protected final String doInBackground(Void... nothing) {
-                return new WebappDataStorage(context.getApplicationContext(), webappId).getUrl();
+                return new WebappDataStorage(context, webappId).getUrl();
             }
 
             @Override
@@ -217,7 +216,7 @@ public class WebappDataStorage {
     }
 
     private static SharedPreferences openSharedPreferences(Context context, String webappId) {

[Peter Wen, 2016/09/21 14:58:41]

No need for context param.

[dominickn, 2016/09/22 03:47:00]

Done.

-        return context.getApplicationContext().getSharedPreferences(
+        return context.getSharedPreferences(

[Peter Wen, 2016/09/21 14:58:41]

ContextUtils.getApplicationContext().getSharedPreferences(

[dominickn, 2016/09/22 03:47:00]

Done.

                 SHARED_PREFS_FILE_PREFIX + webappId, Context.MODE_PRIVATE);
     }