[DevTools] Introduce Project.isServiceProject method.

third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js

Index: third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
diff --git a/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js b/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
index d908fd9d4862487f9eac3afc6eef9e82752719f0..35c15398b42939bc7e0f796073a67642d08f6e26 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/Workspace.js
@@ -65,15 +65,6 @@ Workspace.ProjectSearchConfig.prototype = {
  */
 Workspace.Project = function() {};
 
-/**
- * @param {!Workspace.Project} project
- * @return {boolean}
- */
-Workspace.Project.isServiceProject = function(project) {
-  return project.type() === Workspace.projectTypes.Debugger || project.type() === Workspace.projectTypes.Formatter ||
-      project.type() === Workspace.projectTypes.Service;
-};
-
 Workspace.Project.prototype = {
   /**
    * @return {!Workspace.Workspace}
@@ -91,6 +82,11 @@ Workspace.Project.prototype = {
   type() {},
 
   /**
+   * @return {boolean}
+   */
+  isServiceProject() {},
+
+  /**
    * @return {string}
    */
   displayName() {},