The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/89fa2012170971a09e3ae2536d6bedf9a711364d

commit 89fa2012170971a09e3ae2536d6bedf9a711364d
Author: baxley <baxley@chromium.org>
Date: Tue May 24 13:46:10 2016

Change iOS web matcher argument types to std::string.

Most callers will be operating on GURLs, which are easier to use with
std::string, rather than NSString.

BUG= 614167 

Review-Url: https://codereview.chromium.org/2005023003
Cr-Commit-Position: refs/heads/master@{#395589}

[modify] https://crrev.com/89fa2012170971a09e3ae2536d6bedf9a711364d/ios/web/public/test/earl_grey/web_view_matchers.h
[modify] https://crrev.com/89fa2012170971a09e3ae2536d6bedf9a711364d/ios/web/public/test/earl_grey/web_view_matchers.mm
[modify] https://crrev.com/89fa2012170971a09e3ae2536d6bedf9a711364d/ios/web/shell/test/earl_grey/shell_matchers.h
[modify] https://crrev.com/89fa2012170971a09e3ae2536d6bedf9a711364d/ios/web/shell/test/earl_grey/shell_matchers.mm
[modify] https://crrev.com/89fa2012170971a09e3ae2536d6bedf9a711364d/ios/web/shell/test/web_shell_navigation_egtest.mm

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/380c6cda0109db823121542b2c93783803f5aa33

commit 380c6cda0109db823121542b2c93783803f5aa33
Author: baxley <baxley@chromium.org>
Date: Wed May 25 22:42:39 2016

Remove Earl Grey matcher APIs taking NSString.

std::string APIs provide cleaner code in tests, which have been adopted
by all tests.

BUG= 614167 

Review-Url: https://codereview.chromium.org/2008183004
Cr-Commit-Position: refs/heads/master@{#396014}

[modify] https://crrev.com/380c6cda0109db823121542b2c93783803f5aa33/ios/web/public/test/earl_grey/web_view_matchers.h
[modify] https://crrev.com/380c6cda0109db823121542b2c93783803f5aa33/ios/web/public/test/earl_grey/web_view_matchers.mm
[modify] https://crrev.com/380c6cda0109db823121542b2c93783803f5aa33/ios/web/shell/test/earl_grey/shell_matchers.h
[modify] https://crrev.com/380c6cda0109db823121542b2c93783803f5aa33/ios/web/shell/test/earl_grey/shell_matchers.mm