Implement the autofill UI for chromium powered android webview.

android_webview/java/src/org/chromium/android_webview/AwContents.java

Index: android_webview/java/src/org/chromium/android_webview/AwContents.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContents.java b/android_webview/java/src/org/chromium/android_webview/AwContents.java
index 9da7fd51ff651ed90e8f0bbbaac445f58c20bb63..f2f80b6675579ac596da2233dd03a78537257f08 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContents.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContents.java
@@ -153,6 +153,8 @@ public class AwContents {
     private boolean mContainerViewFocused;
     private boolean mWindowFocused;
 
+    private AwAutofillManagerDelegate mAwAutofillManagerDelegate;
+
     private static final class DestroyRunnable implements Runnable {
         private int mNativeAwContents;
         private DestroyRunnable(int nativeAwContents) {
@@ -1330,6 +1332,14 @@ public class AwContents {
         return mContentViewCore.performAccessibilityAction(action, arguments);
     }
 
+    /**
+     * @see android.webkit.WebView#clearFormData()
+     */
+    public void hideAutofillPopup() {
+        if (mAwAutofillManagerDelegate != null)
+            mAwAutofillManagerDelegate.hideAutofillPopup();
+    }
+
     //--------------------------------------------------------------------------------------------
     //  Methods called from native via JNI
     //--------------------------------------------------------------------------------------------
@@ -1469,6 +1479,12 @@ public class AwContents {
         mScrollOffsetManager.scrollContainerViewTo(x, y);
     }
 
+    @CalledByNative
+    private void setAwAutofillManagerDelegate(AwAutofillManagerDelegate delegate) {
+        mAwAutofillManagerDelegate = delegate;
+        delegate.init(mContentViewCore, mDIPScale);
+    }
+
     // -------------------------------------------------------------------------------------------
     // Helper methods
     // -------------------------------------------------------------------------------------------