Rename WebSpeechInputResult::set() to assign()

Rename WebSpeechInputResult::set() to assign()
https://bugs.webkit.org/show_bug.cgi?id=77540

Reviewed by Darin Fisher.

Source/WebKit/chromium:

It was suggested in a previous code review
(https://bugs.webkit.org/show_bug.cgi?id=77083#c5)
that this function should be called assign().

* public/WebSpeechInputResult.h:
(WebSpeechInputResult):
(WebKit::WebSpeechInputResult::set):
* src/WebSpeechInputResult.cpp:
(WebKit::WebSpeechInputResult::assign):

Tools:

* DumpRenderTree/chromium/MockWebSpeechInputController.cpp:
(MockWebSpeechInputController::addMockRecognitionResult):
(MockWebSpeechInputController::speechTaskFired):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106475 268f45cc-cd09-0410-ab3c-d52691b4dbfc