DevTools: improve identifier extraction in SourceMapNamesResolver

third_party/WebKit/LayoutTests/inspector/sources/debugger/extract-javascript-identifiers-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/sources/debugger/extract-javascript-identifiers-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/sources/debugger/extract-javascript-identifiers-expected.txt b/third_party/WebKit/LayoutTests/inspector/sources/debugger/extract-javascript-identifiers-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..673cdc35fa9c17e99c861a68c54ac180c943d572
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/inspector/sources/debugger/extract-javascript-identifiers-expected.txt
@@ -0,0 +1,77 @@
+Tests the extraction of javascript identifier names from function text.
+
+
+Running: testFunctionArguments
+Text:
+    function foo(a, b) { }
+
+Identifiers:
+    id: a    offset: 13
+    id: b    offset: 16
+
+Running: testSimpleVariable
+Text:
+    function foo() { var a = 1; }
+
+Identifiers:
+    id: a    offset: 21
+
+Running: testMemberExpression
+Text:
+    function foo() { var a = b.c.d.e; }
+
+Identifiers:
+    id: a    offset: 21
+    id: b    offset: 25
+
+Running: testFunctionCall
+Text:
+    function foo() { var a = doSomething(b, true, 10); }
+
+Identifiers:
+    id: a    offset: 21
+    id: doSomething    offset: 25
+    id: b    offset: 37
+
+Running: testPropertyLiteral
+Text:
+    function foo() { var a = b['test'];}
+
+Identifiers:
+    id: a    offset: 21
+    id: b    offset: 25
+
+Running: testComputedProperty
+Text:
+    function foo() { var a = b[variableName];}
+
+Identifiers:
+    id: a    offset: 21
+    id: b    offset: 25
+    id: variableName    offset: 27
+
+Running: testNestedFunction1
+Text:
+    function foo() { var a = 1; function bar() { var b = 1; } var c = 3;}
+
+Identifiers:
+    id: a    offset: 21
+    id: bar    offset: 37
+    id: c    offset: 62
+
+Running: testNestedFunction2
+Text:
+    function foo() { var a = 1; var bar = function (){ var b = 1; }; var c = 3;}
+
+Identifiers:
+    id: a    offset: 21
+    id: bar    offset: 32
+    id: c    offset: 69
+
+Running: testNestedFunction3
+Text:
+    function foo() { var a = x => x * 2 }
+
+Identifiers:
+    id: a    offset: 21
+