[inspector] don't ignore uncaught exception if at least 1 frame isn't blackboxed

test/inspector/debugger/framework-break.js

 // Copyright 2017 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.
 
 print('Checks that breaks in framework code correctly processed.');
 
 InspectorTest.addScript(
     `
 function frameworkAssert() {
   console.assert(false);
@@ skipping 80 matching lines @@
                 {expression: 'throwCaughtError()//# sourceURL=user.js'}))
         .then(() => Protocol.Debugger.setPauseOnExceptions({state: 'none'}))
         .then(next);
   },
 
   function testUncaughtException(next) {
     Protocol.Debugger.setPauseOnExceptions({state: 'all'})
         .then(() => InspectorTest.log('> all frames in framework:'))
         .then(
             () => Protocol.Runtime.evaluate(
-                {expression: 'throwUncaughtError()//# sourceURL=framework.js'}))
+                {expression: 'setTimeout(\'throwUncaughtError()//# sourceURL=framework.js\', 0)//# sourceURL=framework.js'}))
         .then(() => InspectorTest.log('> mixed, top frame in framework:'))
+        .then(() => Protocol.Runtime.evaluate({ expression: "new Promise(resolve => setTimeout(resolve, 0))", awaitPromise: true}))
         .then(
             () => Protocol.Runtime.evaluate(
-                {expression: 'throwUncaughtError()//# sourceURL=user.js'}))
+                {expression: 'setTimeout(\'throwUncaughtError()//# sourceURL=user.js\', 0)'}))
+        .then(() => Protocol.Runtime.evaluate({ expression: "new Promise(resolve => setTimeout(resolve, 0))", awaitPromise: true}))
         .then(() => Protocol.Debugger.setPauseOnExceptions({state: 'none'}))
         .then(next);
   },
 
   function testBreakpoint(next) {
     Protocol.Debugger.setBreakpointByUrl({lineNumber: 24, url: 'framework.js'})
         .then(() => InspectorTest.log('> all frames in framework:'))
         .then(
             () => Protocol.Runtime.evaluate(
                 {expression: 'breakpoint()//# sourceURL=framework.js'}))
@@ skipping 64 matching lines @@
             () => Protocol.Runtime.evaluate(
                 {expression: 'throwFromJSONParse()//# sourceURL=framework.js'}))
         .then(() => InspectorTest.log('> mixed, top frame in framework:'))
         .then(
             () => Protocol.Runtime.evaluate(
                 {expression: 'throwFromJSONParse()//# sourceURL=user.js'}))
         .then(() => Protocol.Debugger.setPauseOnExceptions({state: 'none'}))
         .then(next);
   }
 ]);