Simplify whitespace handling in build/ Jinja templates

Source/build/scripts/templates/ElementFactory.cpp.tmpl

-{% from "macros.tmpl" import license -%}
+{% from "macros.tmpl" import license %}
 {{ license() }}
 
 #include "config.h"
 #include "{{namespace}}ElementFactory.h"
 
 #include "RuntimeEnabledFeatures.h"
 #include "{{namespace}}Names.h"
-{%- for tag in tags|sort %}
+{% for tag in tags|sort %}
 #include "core/{{namespace|lower}}/{{tag.interface}}.h"
-{%- endfor %}
-{%- if fallback_interface %}
+{% endfor %}
+{% if fallback_interface %}
 #include "core/{{namespace|lower}}/{{fallback_interface}}.h"
-{%- endif %}
+{% endif %}
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/custom/CustomElement.h"
 #include "core/dom/custom/CustomElementRegistrationContext.h"
 #include "core/dom/Document.h"
 #include "core/frame/Settings.h"
 #include "wtf/HashMap.h"
 
 namespace WebCore {
 
 using namespace {{namespace}}Names;
 
 typedef PassRefPtr<{{namespace}}Element> (*ConstructorFunction)(Document&,
-                                                                {%- if namespace == 'HTML' %}
+                                                                {% if namespace == 'HTML' %}
                                                                 HTMLFormElement*,
-                                                                {%- endif %}
+                                                                {% endif %}
                                                                 bool createdByParser);
 
 typedef HashMap<AtomicString, ConstructorFunction> FunctionMap;
 
 static FunctionMap* g_constructors = 0;
-
-{%- for tag in tags|sort if not tag.noConstructor %}
+{# FIXME: add blank line #}
+{% for tag in tags|sort if not tag.noConstructor %}
 static PassRefPtr<{{namespace}}Element> {{tag|symbol}}Constructor(
     Document& document,
-{%- if namespace == 'HTML' %}
+    {% if namespace == 'HTML' %}
     HTMLFormElement* formElement,
-{%- endif %}
+    {% endif %}
     bool createdByParser)
 {
-{%- if tag.contextConditional %}
+    {% if tag.contextConditional %}
     if (!ContextFeatures::{{tag.contextConditional}}Enabled(&document))
         return {{fallback_interface}}::create({{tag|symbol}}Tag, document);
-{%- endif %}
-{%- if tag.runtimeEnabled %}
+    {% endif %}
+    {% if tag.runtimeEnabled %}
     if (!RuntimeEnabledFeatures::{{tag.runtimeEnabled}}Enabled())
         return {{fallback_interface}}::create({{tag|symbol}}Tag, document);
-{%- endif %}
+    {% endif %}
+    {# FIXME: replace with an |args| variable #}
     return {{tag.interface}}::create(
-{%- if tag.multipleTagNames -%} {{tag|symbol}}Tag, {% endif -%}
+        {%- if tag.multipleTagNames %}{{tag|symbol}}Tag, {% endif -%}
         document
-{%- if namespace == 'HTML' and tag.constructorNeedsFormElement %}, formElement{% endif -%}
-{%- if tag.constructorNeedsCreatedByParser %}, createdByParser{% endif -%}
+        {%- if namespace == 'HTML' and tag.constructorNeedsFormElement %}, formElement{% endif %}
+        {%- if tag.constructorNeedsCreatedByParser %}, createdByParser{% endif -%}
     );
 }
-{%- endfor %}
+{% endfor %}
 
 struct Create{{namespace}}FunctionMapData {
   const QualifiedName& tag;
   ConstructorFunction func;
 };
 
 static void create{{namespace}}FunctionMap()
 {
     ASSERT(!g_constructors);
     g_constructors = new FunctionMap;
     static const Create{{namespace}}FunctionMapData data[] = {
-{%- for tag in tags|sort if not tag.noConstructor %}
+    {% for tag in tags|sort if not tag.noConstructor %}
         { {{tag|symbol}}Tag, {{tag|symbol}}Constructor },
-{%- endfor %}
+    {% endfor %}
     };
     for (size_t i = 0; i < WTF_ARRAY_LENGTH(data); i++)
         g_constructors->set(data[i].tag.localName(), data[i].func);
 }
 
 PassRefPtr<{{namespace}}Element> {{namespace}}ElementFactory::create{{namespace}}Element(
     const AtomicString& localName,
     Document& document,
-{%- if namespace == 'HTML' %}
+    {% if namespace == 'HTML' %}
     HTMLFormElement* formElement,
-{%- endif %}
+    {% endif %}
     bool createdByParser)
 {
     if (!g_constructors)
         create{{namespace}}FunctionMap();
     if (ConstructorFunction function = g_constructors->get(localName))
-        return function(document, {%- if namespace == 'HTML' %}formElement,{% endif %} createdByParser);
+    {# FIXME: add missing space; should be:
+        return function(document, {% if namespace == 'HTML' %}formElement, {% endif %}createdByParser); #}
+        return function(document,{% if namespace == 'HTML' %}formElement,{% endif %} createdByParser);
 
     if (document.registrationContext() && CustomElement::isValidName(localName)) {
         RefPtr<Element> element = document.registrationContext()->createCustomTagElement(document, QualifiedName(nullAtom, localName, {{namespace_prefix}}NamespaceURI));
         ASSERT_WITH_SECURITY_IMPLICATION(element->is{{namespace}}Element());
         return static_pointer_cast<{{namespace}}Element>(element.release());
     }
 
     return {{fallback_interface}}::create(QualifiedName(nullAtom, localName, {{namespace_prefix}}NamespaceURI), document);
 }
 
 } // namespace WebCore