Emit UMAs for metrics from memory instrumentation service.

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",
+          "media::mojom::AndroidOverlayProvider"
+        ],
+        "memory_instrumentation": [
           "memory_instrumentation::mojom::Coordinator"
         ],
         "plugin": [
           "discardable_memory::mojom::DiscardableSharedMemoryManager",
           "ui::mojom::Gpu"
         ],
         "renderer": [
           "blink::mojom::BackgroundFetchService",
           "blink::mojom::BackgroundSyncService",
           "blink::mojom::BroadcastChannelProvider",
@@ skipping 10 matching lines @@
           "content::mojom::FrameSinkProvider",
           "content::mojom::ServiceWorkerDispatcherHost",
           "content::mojom::StoragePartitionService",
           "content::mojom::URLLoaderFactory",
           "content::mojom::VideoCaptureHost",
           "content::mojom::WorkerURLLoaderFactoryProvider",
           "device::mojom::GamepadMonitor",
           "discardable_memory::mojom::DiscardableSharedMemoryManager",
           "media::mojom::ImageCapture",
           "memory_coordinator::mojom::MemoryCoordinatorHandle",
-          "memory_instrumentation::mojom::Coordinator",
           "metrics::mojom::SingleSampleMetricsProvider",
           "payments::mojom::PaymentManager",
           "shape_detection::mojom::BarcodeDetection",
           "shape_detection::mojom::FaceDetectionProvider",
           "shape_detection::mojom::TextDetection",
           "ui::mojom::Gpu"
         ],
         "service_manager:service_factory": [
           "service_manager::mojom::ServiceFactory"
-        ],
-        "utility": [
-          "memory_instrumentation::mojom::Coordinator"
         ]
       },
       "requires": {
         "*": [ "app" ],
         // In classic ash, the browser supplies ash interfaces to itself.
-        "content_browser": [ "ash" ],
+        "content_browser": [ "ash", "memory_instrumentation" ],
         "content_gpu": [ "browser" ],
         "content_plugin": [ "browser" ],
         "content_renderer": [ "browser" ],
         "content_utility": [ "browser" ],
         "data_decoder": [ "image_decoder" ],
         "device": [ "device:wake_lock" ],
         "file": [ "file:filesystem", "file:leveldb" ],
         "media": [ "media:media" ],
         "network": [
           "test",
@@ skipping 42 matching lines @@
           "payments::mojom::PaymentRequest",
           "ui::mojom::Gpu"
         ]
       },
       "requires": {
         "content_renderer": [ "browser" ]
       }
     }
   }
 }