DevTools: Support regex search and case sensitive search in sources panel

LayoutTests/http/tests/inspector/search/source-frame-search-expected.txt

Index: LayoutTests/http/tests/inspector/search/source-frame-search-expected.txt
diff --git a/LayoutTests/http/tests/inspector/search/source-frame-search-expected.txt b/LayoutTests/http/tests/inspector/search/source-frame-search-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc9cdcb1394a428644746c86761828f0ce536317
--- /dev/null
+++ b/LayoutTests/http/tests/inspector/search/source-frame-search-expected.txt
@@ -0,0 +1,38 @@
+Tests different types of search in SourceFrame
+
+
+Running: testSearch
+Running search test for query = searchTestUniqueString:
+  - function <searchTestUniqueString>()
+  -     // <searchTestUniqueString> two occurences on the same line searchTestUniqueString
+  -     // searchTestUniqueString two occurences on the same line <searchTestUniqueString>
+  -     // <searchTestUniqueString> on the next line.
+  -     <searchTestUniqueString>();
+  -     // <SEARCHTestUniqueString>();
+
+Running: testSearchCaseSensitive
+Running search test for query = SEARCHTestUniqueString (caseSensitive):
+  -     // <SEARCHTestUniqueString>();
+
+Running: testSearchRegex
+Running search test for query = searchTestUnique.* (regex):
+  - function <searchTestUniqueString()>
+  -     // <searchTestUniqueString two occurences on the same line searchTestUniqueString>
+  -     // <searchTestUniqueString on the next line.>
+  -     <searchTestUniqueString();>
+  -     // <SEARCHTestUniqueString();>
+  - // <searchTestUnique space String>
+
+Running: testSearchCaseSensitiveRegex
+Running search test for query = searchTestUnique.* (regex, caseSensitive):
+  - function <searchTestUniqueString()>
+  -     // <searchTestUniqueString two occurences on the same line searchTestUniqueString>
+  -     // <searchTestUniqueString on the next line.>
+  -     <searchTestUniqueString();>
+  - // <searchTestUnique space String>
+
+Running: testSearchConsequent
+Running search test for query = AAAAA:
+  - // <AAAAA>AAAAAA 11xA here
+  - // AAAAA<AAAAA>A 11xA here
+