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/linker/dynamic_component_loader.ts

@@ -232,8 +232,8 @@ export abstract class DynamicComponentLoader {
    * <child-component>Child</child-component>
    * ```
    */
-  abstract loadNextToLocation(type: Type, location: ElementRef, providers?: ResolvedProvider[]):
-      Promise<ComponentRef>;
+  abstract loadNextToLocation(type: Type, location: ElementRef,
+                              providers?: ResolvedProvider[]): Promise<ComponentRef>;
 }
 
 @Injectable()

modules/angular2/src/core/linker/proto_view_factory.ts

@@ -283,9 +283,9 @@ function provideDirective(directiveResolver: DirectiveResolver, type: Type): Dir
   return DirectiveProvider.createFromType(type, annotation);
 }
 
-export function createDirectiveVariableBindings(variableNameAndValues: Array<string | number>,
-                                                directiveProviders: DirectiveProvider[]):
-    Map<string, number> {
+export function createDirectiveVariableBindings(
+    variableNameAndValues: Array<string | number>,
+    directiveProviders: DirectiveProvider[]): Map<string, number> {
   var directiveVariableBindings = new Map<string, number>();
   for (var i = 0; i < variableNameAndValues.length; i += 2) {
     var templateName = <string>variableNameAndValues[i];

modules/angular2/src/core/linker/template_commands.ts

@@ -165,8 +165,8 @@ export class EmbeddedTemplateCmd implements TemplateCmd, IBeginElementCmd,
 
 export function embeddedTemplate(attrNameAndValues: string[], variableNameAndValues: string[],
                                  directives: Type[], isMerged: boolean, ngContentIndex: number,
-                                 changeDetectorFactory: Function, children: TemplateCmd[]):
-    EmbeddedTemplateCmd {
+                                 changeDetectorFactory: Function,
+                                 children: TemplateCmd[]): EmbeddedTemplateCmd {
   return new EmbeddedTemplateCmd(attrNameAndValues, variableNameAndValues, directives, isMerged,
                                  ngContentIndex, changeDetectorFactory, children);
 }

modules/angular2/src/core/linker/view_manager.ts

@@ -55,8 +55,8 @@ export abstract class AppViewManager {
    * Throws an exception if the specified `hostLocation` is not a Host Element of a Component, or if
    * variable `variableName` couldn't be found in the Component View of this Component.
    */
-  abstract getNamedElementInComponentView(hostLocation: ElementRef, variableName: string):
-      ElementRef;
+  abstract getNamedElementInComponentView(hostLocation: ElementRef,
+                                          variableName: string): ElementRef;
 
   /**
    * Returns the component instance for the provided Host Element.