fix(compiler): support dotted property binding

fixes angular/flex-layout#34

modules/@angular/compiler/src/template_parser/binding_parser.ts

@@ -245,18 +245,12 @@ export class BindingParser {
 
     let unit: string = null;
     let bindingType: PropertyBindingType;
-    let boundPropertyName: string;
+    let boundPropertyName: string = null;
     const parts = boundProp.name.split(PROPERTY_PARTS_SEPARATOR);
     let securityContexts: SecurityContext[];
 
-    if (parts.length === 1) {
-      const partValue = parts[0];
-      boundPropertyName = this._schemaRegistry.getMappedPropName(partValue);
-      securityContexts = calcPossibleSecurityContexts(
-          this._schemaRegistry, elementSelector, boundPropertyName, false);
-      bindingType = PropertyBindingType.Property;
-      this._validatePropertyOrAttributeName(boundPropertyName, boundProp.sourceSpan, false);
-    } else {
+    // Check check for special cases (prefix style, attr, class)
+    if (parts.length > 1) {
       if (parts[0] == ATTRIBUTE_PREFIX) {
         boundPropertyName = parts[1];
         this._validatePropertyOrAttributeName(boundPropertyName, boundProp.sourceSpan, true);
@@ -280,12 +274,18 @@ export class BindingParser {
         boundPropertyName = parts[1];
         bindingType = PropertyBindingType.Style;
         securityContexts = [SecurityContext.STYLE];
-      } else {
-        this._reportError(`Invalid property name '${boundProp.name}'`, boundProp.sourceSpan);
-        bindingType = null;
-        securityContexts = [];
       }
     }
+
+    // If not a special case, use the full property name
+    if (boundPropertyName === null) {
+      boundPropertyName = this._schemaRegistry.getMappedPropName(boundProp.name);
+      securityContexts = calcPossibleSecurityContexts(
+          this._schemaRegistry, elementSelector, boundPropertyName, false);
+      bindingType = PropertyBindingType.Property;
+      this._validatePropertyOrAttributeName(boundPropertyName, boundProp.sourceSpan, false);
+    }
+
     return new BoundElementPropertyAst(
         boundPropertyName, bindingType, securityContexts.length === 1 ? securityContexts[0] : null,
         securityContexts.length > 1, boundProp.expression, unit, boundProp.sourceSpan);