[GTK] Remove IntPointGtk.cpp and IntRectGtk.cpp
https://bugs.webkit.org/show_bug.cgi?id=137209

Reviewed by Philippe Normand.

Source/WebCore:

IntPointGtk is unused and IntRectGtk is only required by GTK+2 and
only used when building with GTK+2 in GtkInputMethodFilter.cpp
that can be easily replaced.

* PlatformGTK.cmake:
* platform/graphics/IntPoint.h:
* platform/graphics/IntRect.h:
* platform/graphics/gtk/IntPointGtk.cpp: Removed.
* platform/graphics/gtk/IntRectGtk.cpp: Removed.
* platform/gtk/GtkInputMethodFilter.cpp:
(WebCore::GtkInputMethodFilter::setCursorRect):

Tools:

* TestWebKitAPI/PlatformGTK.cmake: Remove unneeded IntRectGtk.cpp
from the WebCore test sources.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@174058 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[GTK] Remove MainFrameScrollbarGtk.cpp
https://bugs.webkit.org/show_bug.cgi?id=137211

Reviewed by Philippe Normand.

This was only used by WebKit1.

* PlatformGTK.cmake:
* platform/gtk/MainFrameScrollbarGtk.cpp: Removed.
* platform/gtk/MainFrameScrollbarGtk.h: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@174059 268f45cc-cd09-0410-ab3c-d52691b4dbfc