Bug 345736 [Compatibility] Opening an HTML page goes external

bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java

diff --git a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
index 1de70d7..7015e87 100644
--- a/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
+++ b/bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
@@ -2659,8 +2659,7 @@
 		}
 
 		// Special handling for external editors (they have no tabs...)
-		if ("org.eclipse.ui.systemExternalEditor".equals(editorId) //$NON-NLS-1$
-				|| "org.eclipse.ui.browser.editorSupport".equals(editorId)) { //$NON-NLS-1$
+		if ("org.eclipse.ui.systemExternalEditor".equals(editorId)) { //$NON-NLS-1$
 			IPathEditorInput fileInput = getPathEditorInput(input);
 			if (fileInput == null) {
 				throw new PartInitException(WorkbenchMessages.EditorManager_systemEditorError);