mojo: Java bindings: Add name to the manager.

The name is used to retrieve a service from a ServiceProvider.

R=ppi@chromium.org

Review URL: https://codereview.chromium.org/540913003

Cr-Commit-Position: refs/heads/master@{#293499}

mojo/android/javatests/src/org/chromium/mojo/bindings/InterfacesTest.java

@@ -276,6 +276,11 @@ public class InterfacesTest extends MojoTestCase {
         assertEquals(NAME, callback.getName());
     }
 
+    @SmallTest
+    public void testName() {
+        assertEquals("sample::NamedObject", NamedObject.MANAGER.getName());
+    }
+
     @SmallTest
     public void testProxyAndStub() {
         MockNamedObjectImpl impl = new MockNamedObjectImpl();

mojo/public/java/bindings/src/org/chromium/mojo/bindings/Interface.java

@@ -173,6 +173,12 @@ public interface Interface extends ConnectionErrorHandler, Closeable {
      */
     abstract class Manager<I extends Interface, P extends Proxy> {
 
+        /**
+         * Returns the name of the interface. This is an opaque (but human readable) identifier used
+         * by the service provider to identify services.
+         */
+        public abstract String getName();
+
         /**
          * Binds the given implementation to the handle.
          */

mojo/public/tools/bindings/generators/java_templates/interface_definition.tmpl

@@ -68,6 +68,10 @@ org.chromium.mojo.bindings.MessageHeader.MESSAGE_IS_RESPONSE_FLAG
 public static final {{manager_class(interface, client, True)}} MANAGER =
         new {{manager_class(interface, client, True)}}() {
 
+    public String getName() {
+        return "{{namespace|replace(".","::")}}::{{interface.name}}";
+    }
+
     public Proxy buildProxy(org.chromium.mojo.system.Core core,
                             org.chromium.mojo.bindings.MessageReceiverWithResponder messageReceiver) {
         return new Proxy(core, messageReceiver);