Only flag the LayoutObject on CSP error if one is attached

Only flag the LayoutObject on CSP error if one is attached

When instantiating a plugin through the (somewhat special) code-path
that does not require a LayoutObject to be present, we would end up
dereferencing a null-pointer if a CSP error was flagged, failing the
plugin load sequence.

BUG=627694
Review-Url: https://codereview.chromium.org/2162473003
Cr-Commit-Position: refs/heads/master@{#406295}
(cherry picked from commit 386e769dbd70b39c348bd663749858f117654408)

Committed: https://chromium.googlesource.com/chromium/src/+/6899c4fef931853289e2a042e87c01b2aa69e88b

[fs, 2016-07-21 10:30:15]

Description was changed from

==========
Only flag the LayoutObject on CSP error if one is attached

When instantiating a plugin through the (somewhat special) code-path
that does not require a LayoutObject to be present, we would end up
dereferencing a null-pointer if a CSP error was flagged, failing the
plugin load sequence.

BUG=627694

Review-Url: https://codereview.chromium.org/2162473003
Cr-Commit-Position: refs/heads/master@{#406295}
(cherry picked from commit 386e769dbd70b39c348bd663749858f117654408)
==========

to

==========
Only flag the LayoutObject on CSP error if one is attached

When instantiating a plugin through the (somewhat special) code-path
that does not require a LayoutObject to be present, we would end up
dereferencing a null-pointer if a CSP error was flagged, failing the
plugin load sequence.

BUG=627694

Review-Url: https://codereview.chromium.org/2162473003
Cr-Commit-Position: refs/heads/master@{#406295}
(cherry picked from commit 386e769dbd70b39c348bd663749858f117654408)

Committed:
https://chromium.googlesource.com/chromium/src/+/6899c4fef931853289e2a042e87c...
==========

[fs, 2016-07-21 10:30:17]

Committed patchset #1 (id:1) manually as
6899c4fef931853289e2a042e87c01b2aa69e88b.