[inspector] fixed Debugger.getPossibleBreakpoints

test/inspector/debugger/stepping-after-get-possible-breakpoints.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+InspectorTest.addScript(`
+function boo() {}
+boo();
+function foo() {}
+//# sourceURL=foo.js`);
+
+Protocol.Debugger.onPaused((message) => {
+  InspectorTest.logMessage(message.params.callFrames[0].functionName || "(top)");
+  Protocol.Debugger.stepInto();
+});
+var scriptId;
+Protocol.Debugger.onScriptParsed(message => {
+  if (message.params.url === 'foo.js')
+    scriptId = message.params.scriptId;
+});
+Protocol.Debugger.enable()
+  .then(() => Protocol.Debugger.getPossibleBreakpoints({start: {scriptId, lineNumber:0,columnNumber:0}}))
+  .then(() => InspectorTest.log('-- call boo:'))
+  .then(() => Protocol.Runtime.evaluate({ expression: 'debugger; boo();'}))
+  .then(() => InspectorTest.log('-- call foo:'))
+  .then(() => Protocol.Runtime.evaluate({ expression: 'debugger; foo();'}))
+  .then(InspectorTest.completeTest);