improve breakpoint model api

src/vs/workbench/parts/debug/common/debugModel.ts

@@ -855,6 +855,19 @@ export class Model implements IModel {
 		return this.breakpoints;
 	}
 
+	public getBreakpointsForResource(resource: uri): IBreakpoint[] {
+		const uriString = resource.toString();
+		return this.breakpoints.filter(bp => bp.uri.toString() === uriString);
+	}
+
+	public getActivatedBreakpointsForResource(resource: uri): IBreakpoint[] {
+		if (this.breakpointsActivated) {
+			const uriString = resource.toString();
+			return this.breakpoints.filter(bp => bp.uri.toString() === uriString);
+		}
+		return [];
+	}
+
 	public getFunctionBreakpoints(): IFunctionBreakpoint[] {
 		return this.functionBreakpoints;
 	}