8038919: Requesting focus to a modeless dialog doesn't work on Safari

Reviewed-by: ant, serb

src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -674,6 +674,13 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
     @Override  // PlatformWindow
     public void toFront() {
         final long nsWindowPtr = getNSWindowPtr();
+        LWCToolkit lwcToolkit = (LWCToolkit) Toolkit.getDefaultToolkit();
+        Window w = DefaultKeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
+        if( w != null
+                && ((LWWindowPeer)w.getPeer()).getPeerType() == LWWindowPeer.PeerType.EMBEDDED_FRAME
+                && !lwcToolkit.isApplicationActive()) {
+            lwcToolkit.activateApplicationIgnoringOtherApps();
+        }
         updateFocusabilityForAutoRequestFocus(false);
         nativePushNSWindowToFront(nsWindowPtr);
         updateFocusabilityForAutoRequestFocus(true);

src/macosx/classes/sun/lwawt/macosx/LWCToolkit.java

@@ -801,6 +801,11 @@ public final class LWCToolkit extends LWToolkit {
      */
     public static native boolean isEmbedded();
 
+    /*
+     * Activates application ignoring other apps.
+     */
+    public native void activateApplicationIgnoringOtherApps();
+
     /************************
      * Native methods section
      ************************/

src/macosx/native/sun/awt/LWCToolkit.m

@@ -413,6 +413,23 @@ JNF_COCOA_EXIT(env);
     return active;
 }
 
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    activateApplicationIgnoringOtherApps
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_activateApplicationIgnoringOtherApps
+(JNIEnv *env, jclass clazz)
+{
+    JNF_COCOA_ENTER(env);
+    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
+        if(![NSApp isActive]){
+            [NSApp activateIgnoringOtherApps:YES];
+        }
+    }];
+    JNF_COCOA_EXIT(env);
+}
+
 
 /*
  * Class:     sun_awt_SunToolkit