Remove CreatePlatformFile from MHTMLGenerationManager.

BUG=322664
R=asanka@chromium.org

Review URL: https://codereview.chromium.org/180013006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256398 0039d316-1c4b-4281-b951-d872f2087c98
[webcrypto] JWK: Updated import(ext, key_ops) and added export of symmetric keys

See https://www.w3.org/Bugs/Public/show_bug.cgi?id=23796

BUG=245025
TEST=content_unittests --gtest_filter="SharedCryptoTest*"

Review URL: https://codereview.chromium.org/184043021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256399 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256398
Removed code related to Mac virtual printer.

BUG=111652,350118

Review URL: https://codereview.chromium.org/193923002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256400 0039d316-1c4b-4281-b951-d872f2087c98
Cast: Don't deliver audio data on the render thread

Audio data used to hop through the render thread before going into the
encoder. This caused extra latency and jitter. This change removes the
extra thread hop.

Test: browser_tests --gtest_filter=CastStreaming*

BUG=344626, 335327

Review URL: https://codereview.chromium.org/194123002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256401 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256401