Start sending synthetic keyevents for enter and tab in Android IME

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

 // Copyright (c) 2012 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.content.browser;
 
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
@@ skipping 1381 matching lines @@
      * @see View#dispatchKeyEventPreIme(KeyEvent)
      */
     public boolean dispatchKeyEventPreIme(KeyEvent event) {
         try {
             TraceEvent.begin();
             if (event.getKeyCode() == KeyEvent.KEYCODE_BACK && mImeAdapter.isActive()) {
                 mUnfocusOnNextSizeChanged = true;
             } else {
                 undoScrollFocusedEditableNodeIntoViewIfNeeded(false);
             }
-            mImeAdapter.dispatchKeyEventPreIme(event);
             return mContainerViewInternals.super_dispatchKeyEventPreIme(event);
         } finally {
             TraceEvent.end();
         }
     }
 
     /**
      * @see View#dispatchKeyEvent(KeyEvent)
      */
     public boolean dispatchKeyEvent(KeyEvent event) {
         if (mImeAdapter != null &&
                 !mImeAdapter.isNativeImeAdapterAttached() && mNativeContentViewCore != 0) {
             mImeAdapter.attach(nativeGetNativeImeAdapter(mNativeContentViewCore));
         }
-        // The key handling logic is kind of confusing here.
-        // The purpose of shouldOverrideKeyEvent() is to filter out some keys that is critical
-        // to browser function but useless in renderer process (for example, the back button),
-        // so the browser can still respond to these keys in a timely manner when the renderer
-        // process is busy/blocked/busted. mImeAdapter.dispatchKeyEvent() forwards the key event
-        // to the renderer process. If mImeAdapter is bypassed or is not interested to the event,
-        // fall back to the default dispatcher to propagate the event to sub-views.
-        return (!getContentViewClient().shouldOverrideKeyEvent(event)
-                && mImeAdapter.dispatchKeyEvent(event))
-                || mContainerViewInternals.super_dispatchKeyEvent(event);
+
+        if (getContentViewClient().shouldOverrideKeyEvent(event)) {
+            return mContainerViewInternals.super_dispatchKeyEvent(event);
+        }
+
+        if (mKeyboardConnected && mImeAdapter.dispatchKeyEvent(event)) return true;
+
+        return mContainerViewInternals.super_dispatchKeyEvent(event);
     }
 
     /**
      * @see View#onHoverEvent(MotionEvent)
      * Mouse move events are sent on hover enter, hover move and hover exit.
      * They are sent on hover exit because sometimes it acts as both a hover
      * move and hover exit.
      */
     public boolean onHoverEvent(MotionEvent event) {
         TraceEvent.begin("onHoverEvent");
@@ skipping 1156 matching lines @@
     private native void nativeUpdateVSyncParameters(int nativeContentViewCoreImpl,
             long timebaseMicros, long intervalMicros);
 
     private native boolean nativePopulateBitmapFromCompositor(int nativeContentViewCoreImpl,
             Bitmap bitmap);
 
     private native void nativeSetSize(int nativeContentViewCoreImpl, int width, int height);
 
     private native boolean nativeIsRenderWidgetHostViewReady(int nativeContentViewCoreImpl);
 }