Add third_party directory to style checked exclusion.

third party code does not usually follow Chromium Coding style.
Add # of matches per file as suffix of file name.
Groundwork to support * in file contents search string pattern.
Add vs chromium project file, fix unit tests.
Push usage of FullPathName to more places.
First semi-naive implementation of wildcard text search.
Extract class, slight improve perf of wildcard text search.
Improve perf (2x) of wildcard text search.
Implement wildcard search for UTF16 content

* Refactor and cleanup code to allow code re-use.
Cleanup code related to file contents prefix and tailing NUL characters.
Improve performance of wildcard search (30% better on some tests).
Add test for wildcard escaping.
Merge branch 'master' of https://github.com/chromium/vs-chromium
Add tooltips text in search combo boxes.
Add test for search string parser.
Add ability to display # of entities searched in UI.
Refine ui text message.
Merge branch 'master' of https://github.com/chromium/vs-chromium