feat(CssProcessor): add support for CssTransformers

Closes #860

modules/benchmarks/src/compiler/compiler_benchmark.js

@@ -102,7 +102,7 @@ export function main() {
     templateResolver,
     new ComponentUrlMapper(),
     urlResolver,
-    new CssProcessor()
+    new CssProcessor(null)
   );
   var templateNoBindings = createTemplateHtml('templateNoBindings', count);
   var templateWithBindings = createTemplateHtml('templateWithBindings', count);

modules/benchmarks/src/naive_infinite_scroll/index.js

@@ -282,7 +282,7 @@ export function setupReflectorForAngular() {
   });
 
   reflector.registerType(CssProcessor, {
-    "factory": () => new CssProcessor(),
+    "factory": () => new CssProcessor(null),
     "parameters": [],
     "annotations": []
   });

modules/benchmarks/src/tree/tree_benchmark.js

@@ -172,7 +172,7 @@ function setupReflector() {
   });
 
   reflector.registerType(CssProcessor, {
-    "factory": () => new CssProcessor(),
+    "factory": () => new CssProcessor(null),
     "parameters": [],
     "annotations": []
   });