DevTools: merge InjectedScriptBase into InjectedScript

DevTools: merge InjectedScriptBase into InjectedScript

Canvas profiler that was implemented as a module of injected script was dropped. We don't want to support injected script modules in such form so the base class doesn't make sense anymore.

BUG=475808
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=196769

[yurys, 2015-06-09 12:54:05]

yurys@chromium.org changed reviewers:
+ pfeldman@chromium.org, sergeyv@chromium.org

[yurys, 2015-06-09 12:54:11]

The CQ bit was checked by yurys@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-06-09 12:54:20]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1168423002/20001

[yurys, 2015-06-09 13:17:36]

yurys@chromium.org changed reviewers:
+ alph@chromium.org

[alph, 2015-06-09 13:36:36]

lgtm

[yurys, 2015-06-09 13:41:31]

The CQ bit was unchecked by yurys@chromium.org

[yurys, 2015-06-09 13:41:36]

The CQ bit was checked by yurys@chromium.org

[commit-bot: I haz the power, 2015-06-09 13:41:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1168423002/20001

[commit-bot: I haz the power, 2015-06-09 14:52:24]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=196769