Add support for Android spellcheck menu in Chrome/WebViews

content/public/app/mojo/content_browser_manifest.json

 {
   "name": "content_browser",
   "display_name": "Content (browser process)",
   "interface_provider_specs": {
     "service_manager:connector": {
       "provides": {
         "gpu": [
           "content::mojom::FieldTrialRecorder",
           "media::mojom::AndroidOverlayProvider"
         ],
@@ skipping 93 matching lines @@
           // TODO(beng): these belong in //chrome's overlay, but there are some
           // issues with mash browser_tests's manifest config that make this
           // impossible this week. Remove once sky/ken fix this.
           "autofill::mojom::AutofillDriver",
           "autofill::mojom::PasswordManagerDriver",
           "blink::mojom::KeyboardLockService",
           "blink::mojom::MediaSessionService",
           "blink::mojom::PermissionService",
           "blink::mojom::PresentationService",
           "blink::mojom::SensitiveInputVisibilityService",
+          "blink::mojom::TextSuggestionHost",
           "blink::mojom::WebBluetoothService",
           "blink::mojom::WebSocket",
 
           // TODO(beng): figure out how to overlay test interfaces like this.
           "content::mojom::BrowserTarget",
 
           "content::mojom::RendererAudioOutputStreamFactory",
           "device::mojom::VRService",
           "device::mojom::Geolocation",
           "device::mojom::NFC",
@@ skipping 15 matching lines @@
           "ui::mojom::Gpu",
           "webauth::mojom::Authenticator"
         ]
       },
       "requires": {
         "content_renderer": [ "browser" ]
       }
     }
   }
 }