Fix tests for upcoming DevTools change

They were using typedefs that should have used the actual symbol.
Required for
https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2060290

TBR=aerotwist@chromium.org

Bug: 1006759
Change-Id: I3f1433de7e472d7877729132278b581540665cd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2064942Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743126}

third_party/blink/web_tests/TestExpectations

@@ -6619,3 +6619,8 @@ crbug.com/848799 [ Win10 ] http/tests/devtools/coverage/multiple-instances-merge
 crbug.com/1053903 [ Mac ] external/wpt/webxr/events_referenceSpace_reset_inline.https.html [ Pass Failure Timeout ]
 crbug.com/1053903 [ Linux ] external/wpt/webxr/events_referenceSpace_reset_inline.https.html [ Pass Failure Timeout ]
 crbug.com/1053903 [ Win ] external/wpt/webxr/events_referenceSpace_reset_inline.https.html [ Pass Failure Timeout ]
+
+# DevTools roll
+crbug.com/1006759 http/tests/devtools/agents-enable-disable.js [ Skip ]
+crbug.com/1006759 http/tests/devtools/search/search-in-non-existing-resource.js [ Skip ]
+crbug.com/1006759 http/tests/devtools/sources/debugger-breakpoints/debugger-set-breakpoint-regex.js [ Skip ]

third_party/blink/web_tests/http/tests/devtools/agents-enable-disable.js

@@ -33,13 +33,17 @@
     async function disableAgent(agentName) {
       const agent = target._agents[agentName];
       const response = await agent.invoke_disable({});
-      printResult(agentName, 'disable', response[Protocol.Error]);
+      printResult(
+          agentName, 'disable',
+          response[Protocol.InspectorBackend.ProtocolError]);
     }
 
     async function enableAgent(agentName) {
       const agent = target._agents[agentName];
       const response = await agent.invoke_enable({});
-      printResult(agentName, 'enable', response[Protocol.Error]);
+      printResult(
+          agentName, 'enable',
+          response[Protocol.InspectorBackend.ProtocolError]);
     }
 
     for (const agentName of agentNames)

third_party/blink/web_tests/http/tests/devtools/search/search-in-non-existing-resource.js

@@ -20,7 +20,7 @@
     var resource = Bindings.resourceForURL('http://127.0.0.1:8000/devtools/search/resources/search.js');
     var url = 'http://127.0.0.1:8000/devtools/search/resources/non-existing.js';
     var response = await TestRunner.PageAgent.invoke_searchInResource({frameId: resource.frameId, url, query: text});
-    TestRunner.addResult(response[Protocol.Error]);
+    TestRunner.addResult(response[Protocol.InspectorBackend.ProtocolError]);
     TestRunner.completeTest();
   }
 })();

third_party/blink/web_tests/http/tests/devtools/sources/debugger-breakpoints/debugger-set-breakpoint-regex.js

@@ -20,7 +20,7 @@
   SourcesTestRunner.runDebuggerTestSuite([
     async function testSetNoneOfURLAndRegex(next) {
       var response = await TestRunner.DebuggerAgent.invoke_setBreakpointByUrl({lineNumber: 1});
-      TestRunner.addResult(response[Protocol.Error]);
+      TestRunner.addResult(response[Protocol.InspectorBackend.ProtocolError]);
       next();
     },
 
@@ -28,7 +28,7 @@
       var url = 'debugger-set-breakpoint.js';
       var urlRegex = 'debugger-set-breakpoint.*';
       var response = await TestRunner.DebuggerAgent.invoke_setBreakpointByUrl({lineNumber: 1, url, urlRegex});
-      TestRunner.addResult(response[Protocol.Error]);
+      TestRunner.addResult(response[Protocol.InspectorBackend.ProtocolError]);
       next();
     },