Content Shell: Introduce LayoutTestContentBrowserClient

Content Shell: Introduce LayoutTestContentBrowserClient

This starts splitting off layout-test specific bits from the
ShellContentBrowserClient in a separate class. More patches will
follow for moving the other features.

BUG=420994
Committed: https://crrev.com/cd7abb42cf832b976dbb1eb958bb7047cfc26fec
Cr-Commit-Position: refs/heads/master@{#300097}

[Peter Beverloo, 2014-10-16 14:54:46]

peter@chromium.org changed reviewers:
+ mkwst@chromium.org

[Mike West, 2014-10-16 19:38:48]

LGTM, thanks.

[Mike West, 2014-10-16 19:39:57]

https://codereview.chromium.org/639293005/diff/1/content/shell/app/shell_main...
File content/shell/app/shell_main_delegate.cc (right):

https://codereview.chromium.org/639293005/diff/1/content/shell/app/shell_main...
content/shell/app/shell_main_delegate.cc:313: browser_client_.reset(new
LayoutTestContentBrowserClient);
Nit: I think I'd prefer a ternary if here. *shrug* Up to you.

[Peter Beverloo, 2014-10-17 11:06:31]

Thanks! Running the try-jobs again including a few Blink ones, I'll submit once
they're happy.

https://codereview.chromium.org/639293005/diff/1/content/shell/app/shell_main...
File content/shell/app/shell_main_delegate.cc (right):

https://codereview.chromium.org/639293005/diff/1/content/shell/app/shell_main...
content/shell/app/shell_main_delegate.cc:313: browser_client_.reset(new
LayoutTestContentBrowserClient);
On 2014/10/16 19:39:57, Mike West wrote:
> Nit: I think I'd prefer a ternary if here. *shrug* Up to you.

I chose this to be consistent with CreateContentRendererClient(). Changed
because I agree :-).

[Peter Beverloo, 2014-10-17 12:57:15]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2014-10-17 12:57:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/639293005/20001

[commit-bot: I haz the power, 2014-10-17 13:34:13]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-17 13:34:57]

Patchset 2 (id:??) landed as
https://crrev.com/cd7abb42cf832b976dbb1eb958bb7047cfc26fec
Cr-Commit-Position: refs/heads/master@{#300097}