Remove the context argument from all WebappRegistry/WebappDataStorage methods.

chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java b/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java
index 278490cad997d70db057c696284facea1ce06379..ec1f26a1bd1fb623e199c01278aef335753d9c5c 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappActivityTestBase.java
@@ -95,14 +95,13 @@ public abstract class WebappActivityTestBase extends ChromeActivityTestCaseBase<
         // Register the webapp so when the data storage is opened, the test doesn't crash. There is
         // no race condition with the retrieval as AsyncTasks are run sequentially on the background
         // thread.
-        WebappRegistry.registerWebapp(getInstrumentation().getTargetContext(), WEBAPP_ID,
-                new WebappRegistry.FetchWebappDataStorageCallback() {
+        WebappRegistry.registerWebapp(
+                WEBAPP_ID, new WebappRegistry.FetchWebappDataStorageCallback() {
                     @Override
                     public void onWebappDataStorageRetrieved(WebappDataStorage storage) {
                         storage.updateFromShortcutIntent(createIntent());
                     }
-                }
-        );
+                });
     }
 
     /**