NULL out pending_requests_ when GPU channel fails to be created.

NULL out pending_requests_ when GPU channel fails to be created.

Otherwise the next attempt to create a GPU channel won't create a new pending request and will hang forever.

BUG=365904
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270594

[piman, 2014-05-14 19:08:17]

lgtm

https://codereview.chromium.org/284003002/diff/1/content/browser/gpu/browser_...
File content/browser/gpu/browser_gpu_channel_host_factory.cc (right):

https://codereview.chromium.org/284003002/diff/1/content/browser/gpu/browser_...
content/browser/gpu/browser_gpu_channel_host_factory.cc:362: gpu_channel_ =
NULL;
nit: gpu_channel_ should be NULL here, right? We reset it in
EstablishGpuChannel. DCHECK instead?

[jbauman, 2014-05-14 21:17:56]

The CQ bit was checked by jbauman@chromium.org

[commit-bot: I haz the power, 2014-05-14 21:19:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jbauman@chromium.org/284003002/20001

[commit-bot: I haz the power, 2014-05-15 00:51:03]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  win_chromium_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/win_chromium_rel/buil...)

[commit-bot: I haz the power, 2014-05-15 06:11:01]

Change committed as 270594