[android_webview] Use a MotionEvent to trigger ShouldInterceptRequest tests.

android_webview/javatests/src/org/chromium/android_webview/test/util/AwTestTouchUtils.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview.test.util;
 
 import android.os.SystemClock;
 import android.view.MotionEvent;
 import android.view.View;
 
@@ skipping 58 matching lines @@
             public void run() {
                 long downTime = dragStart(view, fromX, fromY);
                 dragTo(view, fromX, toX, fromY, toY, stepCount, downTime);
                 dragEnd(view, toX, toY, downTime);
                 if (completionLatch != null) {
                     completionLatch.countDown();
                 }
             }
         });
     }
+
+    /**
+     * Performs a single ttouch on the center of the supplied view.

[benm (inactive), 2014/09/08 16:00:18]

nit: touch

[mkosiba (inactive), 2014/09/08 16:54:36]

Done.

+     * This is safe to call from the instrumentation thread and will invoke the touch
+     * asynchronously.
+     *
+     * @param view The view the coordinates are relative to.
+     */
+    public static void simulateTouchCenterOfView(final View view) throws Throwable {
+        view.post(new Runnable() {
+            @Override
+            public void run() {
+                long eventTime = SystemClock.uptimeMillis();
+                float x = (float) (view.getRight() - view.getLeft()) / 2;
+                float y = (float) (view.getBottom() - view.getTop()) / 2;
+                view.onTouchEvent(MotionEvent.obtain(
+                        eventTime, eventTime, MotionEvent.ACTION_DOWN,
+                        x, y, 0));
+                view.onTouchEvent(MotionEvent.obtain(
+                        eventTime, eventTime, MotionEvent.ACTION_UP,

[benm (inactive), 2014/09/08 16:00:18]

I guess it's ok that ACTION_UP time == ACTION_DOWN time?

[mkosiba (inactive), 2014/09/08 16:54:36]

seems to work fine, yeath. IIRC we only use time to figure out velocities.

+                        x, y, 0));
+            }
+        });
+    }
 }