CB-8828 Delete onScrollChanged event

RELEASENOTES.md

@@ -48,12 +48,15 @@ Changes For Plugin Developers:
   * Android Studio is now fully supported, and recommended over Eclipse
 * Build using Gradle
   * All builds [use Gradle by default](Android%20Shell%20Tool%20Guide_building_with_gradle), instead of Ant
+  * Plugins can add their own gradle build steps!
+  * Plugins can depend on Maven libraries using `<framework>` tags
+* New APIs: `onStart`, `onStop`, `onConfigurationChanged`
+* `"onScrollChanged"` message removed. Use `view.getViewTreeObserver().addOnScrollChangedListener(...)` instead
+* CB-8702 New API for plugins to override `shouldInterceptRequest` with a stream
 
 #### Other Changes ####
 * CB-8378 Removed `hidekeyboard` and `showkeyboard` events (apps should use a plugin instead)
-* CB-7085 Add `onConfigurationChanged` hook for plugins
 * CB-8735 `bin/create` regex relaxed / better support for numbers
-* CB-8702 Add API for plugins to override `shouldInterceptRequest` with a stream
 * CB-8699 Fix CordovaResourceApi `copyResource` creating zero-length files when src=uncompressed asset
 * CB-8693 CordovaLib should not contain icons / splashscreens
 * CB-8592 Fix NPE if lifecycle events reach CordovaWebView before `init()` has been called

framework/src/org/apache/cordova/CordovaActivity.java

@@ -421,10 +421,6 @@ public boolean onOptionsItemSelected(MenuItem item) {
      * @return              Object or null
      */
     public Object onMessage(String id, Object data) {
-        if (!"onScrollChanged".equals(id)) {
-            LOG.d(TAG, "onMessage(" + id + "," + data + ")");
-        }
-
         if ("onReceivedError".equals(id)) {
             JSONObject d = (JSONObject) data;
             try {

framework/src/org/apache/cordova/engine/SystemWebView.java

@@ -10,7 +10,6 @@
 import org.apache.cordova.CordovaInterface;
 import org.apache.cordova.CordovaWebView;
 import org.apache.cordova.CordovaWebViewEngine;
-import org.apache.cordova.ScrollEvent;
 
 /**
  * Custom WebView subclass that enables us to capture events needed for Cordova.
@@ -59,18 +58,6 @@ public void setWebChromeClient(WebChromeClient client) {
         super.setWebChromeClient(client);
     }
 
-    @Override
-    public void onScrollChanged(int l, int t, int oldl, int oldt)
-    {
-        // TODO: scrolling is perf-sensitive, so we'd be better to not use postMessage
-        // here, and also not create any new objects. Instead, plugins should use:
-        //     webView.getView().getViewTreeObserver().addOnScrollChangedListener(...)
-        if (parentEngine != null && parentEngine.pluginManager != null) {
-            ScrollEvent myEvent = new ScrollEvent(l, t, oldl, oldt, this);
-            parentEngine.pluginManager.postMessage("onScrollChanged", myEvent);
-        }
-    }
-
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         Boolean ret = parentEngine.client.onDispatchKeyEvent(event);