https://bugs.webkit.org/show_bug.cgi?id=94449

Reviewed by Antonio Gomes.

Source/WebCore:

Makes each separate word a separate subtarget when context menu triggers
selections, and only the selected part of a partial selected node a
target when selections are not overridden.

Fix of reverted commit r126026, fix misplaced ASSERT.

Test: touchadjustment/context-menu-text-subtargets.html

* page/TouchAdjustment.cpp:
(TouchAdjustment):
(WebCore::TouchAdjustment::providesContextMenuItems):
(WebCore::TouchAdjustment::appendQuadsToSubtargetList):
(WebCore::TouchAdjustment::appendBasicSubtargetsForNode):
(WebCore::TouchAdjustment::appendContextSubtargetsForNode):
(WebCore::TouchAdjustment::compileSubtargetList):
(WebCore::findBestClickableCandidate):
(WebCore::findBestContextMenuCandidate):

LayoutTests:

Tests that touch-adjustment can adjust to the right subtargets within text-nodes.

* touchadjustment/context-menu-select-text.html:
* touchadjustment/context-menu-text-subtargets-expected.txt: Added.
* touchadjustment/context-menu-text-subtargets.html: Added.
* touchadjustment/resources/touchadjustment.js:
(pointToString):
(shouldBeWithin):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@126284 268f45cc-cd09-0410-ab3c-d52691b4dbfc