chore: adjust formatting to new clang-format.

- fixes wrapping for object literal keys called `template`.
- spacing in destructuring expressions.
- changes to keep trailing return types of functions closer to their
  function declaration.
- better formatting of string literals.

Closes #4828

modules/angular2/src/core/forms/directives/shared.ts

@@ -68,8 +68,8 @@ export function isPropertyUpdated(changes: {[key: string]: any}, viewModel: any)
 }
 
 // TODO: vsavkin remove it once https://github.com/angular/angular/issues/3011 is implemented
-export function selectValueAccessor(dir: NgControl, valueAccessors: ControlValueAccessor[]):
-    ControlValueAccessor {
+export function selectValueAccessor(dir: NgControl,
+                                    valueAccessors: ControlValueAccessor[]): ControlValueAccessor {
   if (isBlank(valueAccessors)) return null;
 
   var defaultAccessor;

modules/angular2/src/core/forms/model.ts

@@ -111,8 +111,8 @@ export abstract class AbstractControl {
 
   setParent(parent: ControlGroup | ControlArray): void { this._parent = parent; }
 
-  updateValueAndValidity({onlySelf, emitEvent}: {onlySelf?: boolean, emitEvent?: boolean} = {}):
-      void {
+  updateValueAndValidity(
+      {onlySelf, emitEvent}: {onlySelf?: boolean, emitEvent?: boolean} = {}): void {
     onlySelf = normalizeBool(onlySelf);
     emitEvent = isPresent(emitEvent) ? emitEvent : true;
 
@@ -237,10 +237,11 @@ export class Control extends AbstractControl {
    * via an `onChange` event. This is the default behavior if `emitModelToViewChange` is not
    * specified.
    */
-  updateValue(value: any,
-              {onlySelf, emitEvent, emitModelToViewChange}:
-                  {onlySelf?: boolean, emitEvent?: boolean, emitModelToViewChange?: boolean} = {}):
-      void {
+  updateValue(value: any, {onlySelf, emitEvent, emitModelToViewChange}: {
+    onlySelf?: boolean,
+    emitEvent?: boolean,
+    emitModelToViewChange?: boolean
+  } = {}): void {
     emitModelToViewChange = isPresent(emitModelToViewChange) ? emitModelToViewChange : true;
     this._value = value;
     if (isPresent(this._onChange) && emitModelToViewChange) this._onChange(this._value);