This patch removes the dependency on EncryptedMedia from HTMLMediaElement.

BUG=242754,341883

Review URL: https://codereview.chromium.org/157423003

git-svn-id: svn://svn.chromium.org/blink/trunk@168704 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove unused MediaControls* in MediaControlToggleClosedCaptionsButtonElement

BUG=341813

Review URL: https://codereview.chromium.org/187423004

git-svn-id: svn://svn.chromium.org/blink/trunk@168705 bbb929c8-8fbe-4397-9dbb-9b2b20218538
[SVG] Remove SVGAttributeToPropertyMap

This was used to resolve property types for the old svg property implementation, but it is not used anymore.

TBR=pdr,fs,haraken
BUG=349370
NOTRY=true

Review URL: https://codereview.chromium.org/189263005

git-svn-id: svn://svn.chromium.org/blink/trunk@168706 bbb929c8-8fbe-4397-9dbb-9b2b20218538