This PR removes the only remaining WS_CARBON check from the codebase.The

Carbon backend is no longer used or supported in SWT, as all modern
macOS environments use the Cocoa backend (WS_COCOA). This check is now
obsolete and can be removed. (#2964)

Author: elsazac

bundles/org.eclipse.ui.workbench/eclipseui/org/eclipse/ui/internal/keys/BindingPersistence.java

@@ -608,12 +608,6 @@ private static final void readBindingsFromRegistry(final IConfigurationElement[]
 
 			if (Util.WS_COCOA.equals(platform)) {
 				cocoaTempList.add(binding);
-			} else if (Util.WS_CARBON.equals(platform)) {
-				bindings.add(binding);
-				// temp work around ... simply honour the carbon
-				// bindings for cocoa.
-				cocoaTempList.add(new KeyBinding(keySequence, parameterizedCommand, schemeId, contextId, locale,
-						Util.WS_COCOA, null, Binding.SYSTEM));
 			} else {
 				bindings.add(binding);
 			}

tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/keys/BindingPersistenceTest.java

@@ -173,10 +173,7 @@ public final void testSinglePlatform() throws Exception {
 				}
 			}
 		}
-		if (Util.WS_CARBON.equals(SWT.getPlatform())
-				|| Util.WS_COCOA.equals(SWT.getPlatform())) {
-			assertEquals(2, numAboutBindings);
-		} else {
+		if (Util.WS_COCOA.equals(SWT.getPlatform())) {
 			assertEquals(1, numAboutBindings);
 		}
 	}