Index: Eclipse UI/org/eclipse/ui/browser/AbstractWorkbenchBrowserSupport.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/browser/AbstractWorkbenchBrowserSupport.java,v
retrieving revision 1.2
diff -u -r1.2 AbstractWorkbenchBrowserSupport.java
--- Eclipse UI/org/eclipse/ui/browser/AbstractWorkbenchBrowserSupport.java	25 Mar 2005 19:44:16 -0000	1.2
+++ Eclipse UI/org/eclipse/ui/browser/AbstractWorkbenchBrowserSupport.java	8 May 2005 02:06:55 -0000
@@ -39,4 +39,11 @@
 		return createBrowser(AS_EXTERNAL, SHARED_EXTERNAL_BROWSER_ID, null,
 				null);
 	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.browser.IWorkbenchBrowserSupport#isInternalWebBrowserAvailable()
+	 */
+	public boolean isInternalWebBrowserAvailable() {
+		return false;
+	}
 }
\ No newline at end of file
Index: Eclipse UI/org/eclipse/ui/browser/IWorkbenchBrowserSupport.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/browser/IWorkbenchBrowserSupport.java,v
retrieving revision 1.3
diff -u -r1.3 IWorkbenchBrowserSupport.java
--- Eclipse UI/org/eclipse/ui/browser/IWorkbenchBrowserSupport.java	25 Mar 2005 19:44:16 -0000	1.3
+++ Eclipse UI/org/eclipse/ui/browser/IWorkbenchBrowserSupport.java	8 May 2005 02:06:55 -0000
@@ -45,7 +45,6 @@
  * This interface is not intended to be implemented by clients.
  * 
  * @see IWebBrowser
- * 
  * @since 3.1
  */
 
@@ -67,7 +66,6 @@
 	/**
 	 * Style constant (value 1<<3) indicating that status will be tracked
 	 * and shown for the browser (page loading progress, text messages etc.).
-	 * 
 	 */
 	int STATUS = 1 << 3;
 
@@ -75,7 +73,6 @@
 	 * Style constant (value 1&lt;&lt;4) indicating that the internal web
 	 * browser will reopen after restarting the workbench (if used). In
 	 * addition, the URLs will appear in the MRU list.
-	 * 
 	 */
 	int PERSISTENT = 1 << 4;
 
@@ -128,7 +125,6 @@
 	 *            a name used for the presentation of the internal browser
 	 * @param tooltip
 	 *            a tooltip used for the presentation of the internal browser
-	 * 
 	 * @return the browser instance that can be used to open the URL. Clients
 	 *         intending to reuse the instance for all the URLs should cache the
 	 *         instance and call IWebBrowser#openURL() on it. Clients are
@@ -151,7 +147,6 @@
 	 *            opened, it will be returned instead of creating a new one.
 	 *            Passing <code>null</code> will create a new instance with a
 	 *            generated id every time.
-	 * 
 	 * @return the browser instance that can be used to open the URL. Clients
 	 *         intending to reuse the instance for all the URLs should cache the
 	 *         instance and call IWebBrowser#openURL() on it. Clients are
@@ -175,4 +170,16 @@
 	 *                if the operation failed for some reason
 	 */
 	IWebBrowser getExternalBrowser() throws PartInitException;
+
+	/**
+	 * Tests whether web browser as an SWT widget can be created in this
+	 * workbench instance. If this method returns <code>false</code>,
+	 * <code>createBrowser</code> would ignore browser styles
+	 * <code>AS_EDITOR</code> and <code>AS_VIEW</code> and always create an
+	 * external browser.
+	 * 
+	 * @return <code>true</code> if internal web browser can be created on
+	 *         this platform, <code>false</code> otherwise.
+	 */
+	boolean isInternalWebBrowserAvailable();
 }
\ No newline at end of file
Index: Eclipse UI/org/eclipse/ui/internal/browser/WorkbenchBrowserSupport.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/browser/WorkbenchBrowserSupport.java,v
retrieving revision 1.6
diff -u -r1.6 WorkbenchBrowserSupport.java
--- Eclipse UI/org/eclipse/ui/internal/browser/WorkbenchBrowserSupport.java	28 Mar 2005 21:26:56 -0000	1.6
+++ Eclipse UI/org/eclipse/ui/internal/browser/WorkbenchBrowserSupport.java	8 May 2005 02:06:56 -0000
@@ -72,7 +72,7 @@
 	};
 
 	/**
-	 * 
+	 * Cannot be instantiated from outside.
 	 */
 	private WorkbenchBrowserSupport() {
 	}
@@ -89,15 +89,28 @@
 		return instance;
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.browser.IWorkbenchBrowserSupport#createBrowser(int, java.lang.String, java.lang.String, java.lang.String)
+	 */
 	public IWebBrowser createBrowser(int style, String browserId, String name,
 			String tooltip) throws PartInitException {
 		return getActiveSupport()
 				.createBrowser(style, browserId, name, tooltip);
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.browser.IWorkbenchBrowserSupport#createBrowser(java.lang.String)
+	 */
 	public IWebBrowser createBrowser(String browserId) throws PartInitException {
 		return getActiveSupport().createBrowser(browserId);
 	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.browser.IWorkbenchBrowserSupport#isInternalWebBrowserAvailable()
+	 */
+	public boolean isInternalWebBrowserAvailable() {
+		return getActiveSupport().isInternalWebBrowserAvailable();
+	}
 
 	private IWorkbenchBrowserSupport getActiveSupport() {
 		if (initialized == false) {