chore(imports): don't import ExceptionHandler from facade (#10620)

This lets us skip src/facade/exception* when compiling modules other than core.
It prevents having many conflicting declarations

modules/@angular/forms/src/directives/abstract_control_directive.ts

@@ -6,13 +6,11 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {BaseException} from '@angular/core';
 import {Observable} from '../facade/async';
-import {unimplemented} from '../facade/exceptions';
 import {isPresent} from '../facade/lang';
 import {AbstractControl} from '../model';
 
-
-
 /**
  * Base class for control directives.
  *
@@ -21,7 +19,7 @@ import {AbstractControl} from '../model';
  * @experimental
  */
 export abstract class AbstractControlDirective {
-  get control(): AbstractControl { return unimplemented(); }
+  get control(): AbstractControl { throw new BaseException('unimplemented'); }
 
   get value(): any { return isPresent(this.control) ? this.control.value : null; }
 

modules/@angular/forms/src/directives/ng_control.ts

@@ -6,12 +6,15 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {unimplemented} from '../facade/exceptions';
+import {BaseException} from '@angular/core';
 
 import {AbstractControlDirective} from './abstract_control_directive';
 import {ControlValueAccessor} from './control_value_accessor';
 import {AsyncValidatorFn, ValidatorFn} from './validators';
 
+function unimplemented(): any {
+  throw new BaseException('unimplemented');
+}
 
 /**
  * A base class that all control directive extend.

modules/@angular/forms/src/directives/ng_model.ts

@@ -6,10 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Directive, Host, Inject, Input, OnChanges, OnDestroy, Optional, Output, Self, SimpleChanges, forwardRef} from '@angular/core';
+import {BaseException, Directive, Host, Inject, Input, OnChanges, OnDestroy, Optional, Output, Self, SimpleChanges, forwardRef} from '@angular/core';
 
 import {EventEmitter} from '../facade/async';
-import {BaseException} from '../facade/exceptions';
 import {FormControl} from '../model';
 import {NG_ASYNC_VALIDATORS, NG_VALIDATORS} from '../validators';
 

modules/@angular/forms/src/directives/ng_model_group.ts

@@ -6,9 +6,8 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Directive, Host, Inject, Input, OnDestroy, OnInit, Optional, Self, SkipSelf, forwardRef} from '@angular/core';
+import {BaseException, Directive, Host, Inject, Input, OnDestroy, OnInit, Optional, Self, SkipSelf, forwardRef} from '@angular/core';
 
-import {BaseException} from '../facade/exceptions';
 import {NG_ASYNC_VALIDATORS, NG_VALIDATORS} from '../validators';
 
 import {AbstractFormGroupDirective} from './abstract_form_group_directive';

modules/@angular/forms/src/directives/radio_control_value_accessor.ts

@@ -6,10 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Directive, ElementRef, Injectable, Injector, Input, OnDestroy, OnInit, Renderer, forwardRef} from '@angular/core';
+import {BaseException, Directive, ElementRef, Injectable, Injector, Input, OnDestroy, OnInit, Renderer, forwardRef} from '@angular/core';
 
 import {ListWrapper} from '../facade/collection';
-import {BaseException} from '../facade/exceptions';
 import {isPresent} from '../facade/lang';
 
 import {ControlValueAccessor, NG_VALUE_ACCESSOR} from './control_value_accessor';

modules/@angular/forms/src/directives/reactive_directives/form_group_directive.ts

@@ -6,11 +6,10 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Directive, Inject, Input, OnChanges, Optional, Output, Self, SimpleChanges, forwardRef} from '@angular/core';
+import {BaseException, Directive, Inject, Input, OnChanges, Optional, Output, Self, SimpleChanges, forwardRef} from '@angular/core';
 
 import {EventEmitter} from '../../facade/async';
 import {ListWrapper, StringMapWrapper} from '../../facade/collection';
-import {BaseException} from '../../facade/exceptions';
 import {isBlank} from '../../facade/lang';
 import {FormArray, FormControl, FormGroup} from '../../model';
 import {NG_ASYNC_VALIDATORS, NG_VALIDATORS, Validators} from '../../validators';

modules/@angular/forms/src/directives/reactive_errors.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {BaseException} from '../facade/exceptions';
+import {BaseException} from '@angular/core';
 
 import {FormErrorExamples as Examples} from './error_examples';
 

modules/@angular/forms/src/directives/shared.ts

@@ -6,8 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {BaseException} from '@angular/core';
+
 import {ListWrapper, StringMapWrapper} from '../facade/collection';
-import {BaseException} from '../facade/exceptions';
 import {hasConstructor, isBlank, isPresent, looseIdentical} from '../facade/lang';
 import {FormArray, FormControl, FormGroup} from '../model';
 import {Validators} from '../validators';

modules/@angular/forms/src/directives/template_driven_errors.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {BaseException} from '../facade/exceptions';
+import {BaseException} from '@angular/core';
 import {FormErrorExamples as Examples} from './error_examples';
 
 export class TemplateDrivenErrors {
@@ -58,4 +58,4 @@ export class TemplateDrivenErrors {
 
       ${Examples.ngModelGroup}`);
   }
-}
+}

modules/@angular/forms/src/model.ts

@@ -6,13 +6,13 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {BaseException} from '@angular/core';
 import {PromiseObservable} from 'rxjs/observable/PromiseObservable';
 
 import {composeAsyncValidators, composeValidators} from './directives/shared';
 import {AsyncValidatorFn, ValidatorFn} from './directives/validators';
 import {EventEmitter, Observable} from './facade/async';
 import {ListWrapper, StringMapWrapper} from './facade/collection';
-import {BaseException} from './facade/exceptions';
 import {isBlank, isPresent, isPromise, normalizeBool} from './facade/lang';