Make double-clicking to select work correctly on Mac.

webkit/glue/editor_client_impl.cc

Index: webkit/glue/editor_client_impl.cc
diff --git a/webkit/glue/editor_client_impl.cc b/webkit/glue/editor_client_impl.cc
index a000f2e9baf3ba1c9d00c70b6278422a8f0cb5a9..9a6e950698485b6540a6f3bc7d026cb1cb6a1e9b 100644
--- a/webkit/glue/editor_client_impl.cc
+++ b/webkit/glue/editor_client_impl.cc
@@ -110,11 +110,16 @@ bool EditorClientImpl::smartInsertDeleteEnabled() {
 
 bool EditorClientImpl::isSelectTrailingWhitespaceEnabled() {
   if (use_editor_delegate_) {
-  WebViewDelegate* d = web_view_->delegate();
-  if (d)
-    return d->IsSelectTrailingWhitespaceEnabled();
+    WebViewDelegate* d = web_view_->delegate();
+    if (d)
+      return d->IsSelectTrailingWhitespaceEnabled();
   }
+
+#if defined(OS_WIN)
   return true;
+#elif defined(OS_MACOSX) || defined(OS_LINUX)
+  return false;
+#endif
 }
 
 bool EditorClientImpl::ShouldSpellcheckByDefault() {