Simplify whitespace handling in build/ Jinja templates

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

Index: Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl
diff --git a/Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl b/Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl
index e71b9750c378ceb23b0f9945b9a1d74bc9d50f48..71ff72d986a8c121f8e0b5c1c920adb1c049d512 100644
--- a/Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl
+++ b/Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl
@@ -1,4 +1,4 @@
-{% from "macros.tmpl" import license -%}
+{% from "macros.tmpl" import license %}
 {{ license() }}
 
 #include "config.h"
@@ -7,12 +7,12 @@
 #include "RuntimeEnabledFeatures.h"
 #include "{{namespace}}Names.h"
 #include "bindings/v8/CustomElementWrapper.h"
-{%- for tag in tags|sort if tag.has_js_interface %}
+{% for tag in tags|sort if tag.has_js_interface %}
 #include "V8{{tag.interface}}.h"
-{%- endfor %}
-{%- for tag in tags|sort if tag.has_js_interface %}
+{% endfor %}
+{% for tag in tags|sort if tag.has_js_interface %}
 #include "core/{{namespace|lower}}/{{tag.js_interface}}.h"
-{%- endfor %}
+{% endfor %}
 #include "core/{{namespace|lower}}/{{fallback_js_interface}}.h"
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/Document.h"
@@ -30,30 +30,29 @@ static v8::Handle<v8::Object> create{{namespace}}ElementWrapper({{namespace}}Ele
     ASSERT_NOT_REACHED();
     return v8::Handle<v8::Object>();
 }
-
-{%- for js_interface, list in tags|sort|selectattr('has_js_interface')|groupby('js_interface') %}
+{% for js_interface, list in tags|sort|selectattr('has_js_interface')|groupby('js_interface') %}
 static v8::Handle<v8::Object> create{{js_interface}}Wrapper({{namespace}}Element* element, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
-{%- if list[0].contextConditional %}
+    {% if list[0].contextConditional %}
     if (!ContextFeatures::{{list[0].contextConditional}}Enabled(&element->document()))
         return createV8{{namespace}}FallbackWrapper(to{{fallback_js_interface}}(element), creationContext, isolate);
-{%- endif %}
-{%- if list[0].runtimeEnabled %}
+    {% endif %}
+    {% if list[0].runtimeEnabled %}
     if (!RuntimeEnabledFeatures::{{list[0].runtimeEnabled}}Enabled())
         return createV8{{namespace}}FallbackWrapper(to{{fallback_js_interface}}(element), creationContext, isolate);
-{%- endif %}
+    {% endif %}
     return wrap(static_cast<{{js_interface}}*>(element), creationContext, isolate);
 }
-{%- endfor %}
+{% endfor %}
 
 v8::Handle<v8::Object> createV8{{namespace}}Wrapper({{namespace}}Element* element, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     typedef HashMap<StringImpl*, Create{{namespace}}ElementWrapperFunction> FunctionMap;
     DEFINE_STATIC_LOCAL(FunctionMap, map, ());
     if (map.isEmpty()) {
-{%- for tag in tags|sort %}
+    {% for tag in tags|sort %}
         map.set({{tag|symbol}}Tag.localName().impl(), create{{tag.js_interface}}Wrapper);
-{%- endfor %}
+    {% endfor %}
     }
 
     Create{{namespace}}ElementWrapperFunction createWrapperFunction = map.get(element->localName().impl());
@@ -64,11 +63,11 @@ v8::Handle<v8::Object> createV8{{namespace}}Wrapper({{namespace}}Element* elemen
 
     if (createWrapperFunction)
         return createWrapperFunction(element, creationContext, isolate);
-{%- if fallback_js_interface == namespace + "Element" %}
+    {% if fallback_js_interface == namespace + 'Element' %}
     return V8{{fallback_js_interface}}::createWrapper(element, creationContext, isolate);
-{%- else %}
+    {% else %}
     return wrap(to{{fallback_js_interface}}(element), creationContext, isolate);
-{%- endif %}
+    {% endif %}
 }
 
 const WrapperTypeInfo* findWrapperTypeFor{{namespace}}TagName(const AtomicString& name)
@@ -78,9 +77,9 @@ const WrapperTypeInfo* findWrapperTypeFor{{namespace}}TagName(const AtomicString
     if (map.isEmpty()) {
         // FIXME: This seems wrong. We should list every interface here, not
         // just the ones that have specialized JavaScript interfaces.
-{%- for tag in tags|sort if tag.has_js_interface %}
+        {% for tag in tags|sort if tag.has_js_interface %}
         map.set({{tag|symbol}}Tag.localName().impl(), &V8{{tag.js_interface}}::wrapperTypeInfo);
-{%- endfor %}
+        {% endfor %}
     }
 
     if (const WrapperTypeInfo* result = map.get(name.impl()))