bluetooth: Check if device name is null before trying to convert

bluetooth: Check if device name is null before trying to convert

Since http://crrev.com/1828193002 ConvertJavaStringToUTF8 crashes
when passed in null. To avoid that we first check if the
name returned by android is null and if so return an empty string.

BUG=602189
Review URL: https://codereview.chromium.org/1876753004

Cr-Commit-Position: refs/heads/master@{#386733}
(cherry picked from commit baefa2c7c7188832268e60b063103673edf8a34f)

Committed: https://chromium.googlesource.com/chromium/src/+/da2f05663a306485d1a846267c6d65519387c5af

[ortuno, 2016-04-19 16:18:51]

Description was changed from

==========
bluetooth: Check if device name is null before trying to convert

Since http://crrev.com/1828193002 ConvertJavaStringToUTF8 crashes
when passed in null. To avoid that we first check if the
name returned by android is null and if so return an empty string.

BUG=602189

Review URL: https://codereview.chromium.org/1876753004

Cr-Commit-Position: refs/heads/master@{#386733}
(cherry picked from commit baefa2c7c7188832268e60b063103673edf8a34f)
==========

to

==========
bluetooth: Check if device name is null before trying to convert

Since http://crrev.com/1828193002 ConvertJavaStringToUTF8 crashes
when passed in null. To avoid that we first check if the
name returned by android is null and if so return an empty string.

BUG=602189

Review URL: https://codereview.chromium.org/1876753004

Cr-Commit-Position: refs/heads/master@{#386733}
(cherry picked from commit baefa2c7c7188832268e60b063103673edf8a34f)

Committed:
https://chromium.googlesource.com/chromium/src/+/da2f05663a306485d1a846267c6d...
==========

[ortuno, 2016-04-19 16:18:52]

Committed patchset #1 (id:1) manually as
da2f05663a306485d1a846267c6d65519387c5af.