fix: Fixing analysis warnings, deprecated use of unittest/mock

Closes #886

Author: kevmoo

bin/parser_generator_for_spec.dart

@@ -2,7 +2,6 @@ import 'dart:io' as io;
 
 import 'package:di/di.dart';
 import 'package:di/dynamic_injector.dart';
-import 'package:angular/core/annotation_src.dart';
 import 'package:angular/core/parser/parser.dart';
 import 'package:angular/tools/parser_getter_setter/generator.dart';
 

example/web/bouncing_balls.dart

@@ -1,7 +1,5 @@
-import 'package:perf_api/perf_api.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/angular_dynamic.dart';
-import 'package:angular/change_detection/change_detection.dart';
 import 'dart:html';
 import 'dart:math';
 import 'dart:core';

lib/mock/module.dart

@@ -22,7 +22,6 @@ import 'package:angular/angular.dart';
 import 'package:angular/core/module_internal.dart';
 import 'package:angular/core_dom/module_internal.dart';
 import 'package:angular/core/parser/parser.dart';
-import 'package:angular/mock/test_injection.dart';
 import 'package:di/di.dart';
 import 'package:mock/mock.dart';
 

lib/tools/expression_extractor.dart

@@ -12,7 +12,6 @@ import 'package:angular/tools/common.dart';
 import 'package:di/di.dart';
 import 'package:di/dynamic_injector.dart';
 
-import 'package:angular/core/module_internal.dart';
 import 'package:angular/core/parser/parser.dart';
 import 'package:angular/tools/parser_getter_setter/generator.dart';
 

lib/tools/transformer/metadata_generator.dart

@@ -5,7 +5,6 @@ import 'package:analyzer/src/generated/element.dart';
 import 'package:angular/tools/transformer/options.dart';
 import 'package:barback/barback.dart';
 import 'package:code_transformers/resolver.dart';
-import 'package:di/transformer/refactor.dart';
 import 'package:path/path.dart' as path;
 
 import 'metadata_extractor.dart';

lib/tools/transformer/options.dart

@@ -3,11 +3,8 @@ library angular.tools.transformer.options;
 import 'dart:async';
 
 import 'package:barback/barback.dart';
-import 'package:analyzer/analyzer.dart' as analyzer;
-import 'package:analyzer/src/generated/ast.dart';
 import 'package:code_transformers/resolver.dart';
 import 'package:di/transformer/options.dart' as di;
-import 'package:path/path.dart' as path;
 
 /** Options used by Angular transformers */
 class TransformOptions {

lib/tools/transformer/static_angular_generator.dart

@@ -5,7 +5,6 @@ import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:angular/tools/transformer/options.dart';
 import 'package:code_transformers/resolver.dart';
-import 'package:di/transformer/refactor.dart';
 import 'package:barback/barback.dart';
 import 'package:path/path.dart' as path;
 import 'package:source_maps/refactor.dart' show TextEditTransaction;

test/_specs.dart

@@ -11,7 +11,6 @@ import 'jasmine_syntax.dart' as jasmine_syntax;
 export 'dart:html' hide Animation;
 export 'package:unittest/unittest.dart';
 export 'package:mock/mock.dart';
-export 'package:unittest/mock.dart';
 export 'package:di/di.dart';
 export 'package:di/dynamic_injector.dart';
 export 'package:angular/angular.dart';

test/io/test_files/cssUrls/main.dart

@@ -1,6 +1,6 @@
 library test_files.main;
 
-import 'package:angular/core/module.dart';
+import 'package:angular/core/annotation_src.dart';
 
 @NgComponent(
     selector: 'my-component',

test/io/test_files/main.dart

@@ -1,5 +1,7 @@
 library test_files.main;
 
+import 'package:angular/core/annotation_src.dart';
+
 @NgDirective(
     children: AbstractNgAnnotation.TRANSCLUDE_CHILDREN,
     selector:'[ng-if]',