fix(material/core): make ErrorStateMatcher tree-shakable

In order to be tree-shakable, services must be marked as `providedIn`
and they must not be explicitly referenced in the `providers` of an
`NgModule`.

Author: ranma42

src/material/chips/module.ts

@@ -9,7 +9,7 @@
 import {ENTER} from '@angular/cdk/keycodes';
 import {CommonModule} from '@angular/common';
 import {NgModule} from '@angular/core';
-import {ErrorStateMatcher, MatCommonModule, MatRippleModule} from '@angular/material/core';
+import {MatCommonModule, MatRippleModule} from '@angular/material/core';
 import {MatChip} from './chip';
 import {MAT_CHIPS_DEFAULT_OPTIONS, MatChipsDefaultOptions} from './tokens';
 import {MatChipEditInput} from './chip-edit-input';
@@ -41,7 +41,6 @@ const CHIP_DECLARATIONS = [
   exports: [MatCommonModule, CHIP_DECLARATIONS],
   declarations: [MatChipAction, CHIP_DECLARATIONS],
   providers: [
-    ErrorStateMatcher,
     {
       provide: MAT_CHIPS_DEFAULT_OPTIONS,
       useValue: {

src/material/legacy-chips/chips-module.ts

@@ -8,7 +8,7 @@
 
 import {ENTER} from '@angular/cdk/keycodes';
 import {NgModule} from '@angular/core';
-import {ErrorStateMatcher, MatCommonModule} from '@angular/material/core';
+import {MatCommonModule} from '@angular/material/core';
 import {
   MatLegacyChip,
   MatLegacyChipAvatar,
@@ -40,7 +40,6 @@ const CHIP_DECLARATIONS = [
   exports: CHIP_DECLARATIONS,
   declarations: CHIP_DECLARATIONS,
   providers: [
-    ErrorStateMatcher,
     {
       provide: MAT_LEGACY_CHIPS_DEFAULT_OPTIONS,
       useValue: {

src/material/legacy-input/input-module.ts

@@ -8,7 +8,7 @@
 
 import {TextFieldModule} from '@angular/cdk/text-field';
 import {NgModule} from '@angular/core';
-import {ErrorStateMatcher, MatCommonModule} from '@angular/material/core';
+import {MatCommonModule} from '@angular/material/core';
 import {MatLegacyFormFieldModule} from '@angular/material/legacy-form-field';
 import {MatLegacyInput} from './input';
 
@@ -26,6 +26,5 @@ import {MatLegacyInput} from './input';
     MatLegacyFormFieldModule,
     MatLegacyInput,
   ],
-  providers: [ErrorStateMatcher],
 })
 export class MatLegacyInputModule {}

src/material/stepper/stepper-module.ts

@@ -10,7 +10,7 @@ import {PortalModule} from '@angular/cdk/portal';
 import {CdkStepperModule} from '@angular/cdk/stepper';
 import {CommonModule} from '@angular/common';
 import {NgModule} from '@angular/core';
-import {ErrorStateMatcher, MatCommonModule, MatRippleModule} from '@angular/material/core';
+import {MatCommonModule, MatRippleModule} from '@angular/material/core';
 import {MatIconModule} from '@angular/material/icon';
 import {MatStepHeader} from './step-header';
 import {MatStepLabel} from './step-label';
@@ -50,6 +50,6 @@ import {MatStepContent} from './step-content';
     MatStepperIcon,
     MatStepContent,
   ],
-  providers: [MAT_STEPPER_INTL_PROVIDER, ErrorStateMatcher],
+  providers: [MAT_STEPPER_INTL_PROVIDER],
 })
 export class MatStepperModule {}