Add insertion handle tests

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index d99eb2a954648fc9ad913ba776e7c1a4d90bb20e..d0710a3cb9ea691114226857d46577dd66120109 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -20,6 +20,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.ResultReceiver;
 import android.os.SystemClock;
+import android.text.Editable;
 import android.util.Log;
 import android.util.Pair;
 import android.view.ActionMode;
@@ -359,6 +360,10 @@ public class ContentViewCore implements MotionEventDelegate {
         };
     }
 
+    public ImeAdapter getImeAdapterForTest() {
+        return mImeAdapter;
+    }
+
     private ImeAdapter createImeAdapter(Context context) {
         return new ImeAdapter(context, getSelectionHandleController(),
                 getInsertionHandleController(),
@@ -1180,6 +1185,10 @@ public class ContentViewCore implements MotionEventDelegate {
         return mInputConnection;
     }
 
+    public Editable getEditableForTest() {
+        return mInputConnection.getEditable();
+    }
+
     /**
      * @see View#onCheckIsTextEditor()
      */
@@ -1686,6 +1695,10 @@ public class ContentViewCore implements MotionEventDelegate {
         return mInsertionHandleController;
     }
 
+    public InsertionHandleController getInsertionHandleControllerForTest() {
+        return mInsertionHandleController;
+    }
+
     private void updateHandleScreenPositions() {
         if (mSelectionHandleController != null && mSelectionHandleController.isShowing()) {
             float startX = mStartHandleNormalizedPoint.x * mNativePageScaleFactor - mNativeScrollX;