tree f51374eb30af7301cb40d7bf2facbaf8e3526c37
parent 668647880bebfea0145b49b3424a7bb3caef8928
author wenson_hsieh@apple.com <wenson_hsieh@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1524852195 +0000
committer wenson_hsieh@apple.com <wenson_hsieh@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1524852195 +0000

Add an experimental feature flag for viewport "min-device-width"
https://bugs.webkit.org/show_bug.cgi?id=185050
<rdar://problem/39624038>

Reviewed by Tim Horton.

Source/WebCore:

Add MinDeviceWidthEnabled as a new runtime-enabled feature.

* dom/ViewportArguments.cpp:
(WebCore::setViewportFeature):

Gate the parsing of "min-device-width" on the runtime-enabled feature being flipped on.

* page/RuntimeEnabledFeatures.h:
(WebCore::RuntimeEnabledFeatures::setMinDeviceWidthEnabled):
(WebCore::RuntimeEnabledFeatures::minDeviceWidthEnabled const):

Source/WebKit:

Add MinDeviceWidthEnabled as a new experimental feature, on by default in extra zoom mode and off elsewhere.

* Shared/WebPreferences.yaml:
* Shared/WebPreferencesDefaultValues.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@231106 268f45cc-cd09-0410-ab3c-d52691b4dbfc