[EFL][GTK] Use bmalloc instead of tcmalloc

[EFL][GTK] Use bmalloc instead of tcmalloc
https://bugs.webkit.org/show_bug.cgi?id=140162

Reviewed by Carlos Garcia Campos.

.:

Add bmalloc directory to build list.

* CMakeLists.txt: Define BMALLOC_DIR directory.
* Source/CMakeLists.txt: Add bmalloc path to sub-directories list.

Source/bmalloc:

Support to use bmalloc on EFL and GTK ports.

* CMakeLists.txt: Added.
* bmalloc/Allocator.cpp:
(bmalloc::Allocator::allocate):
    Fix unused return value caused by posix_memalign().
* bmalloc/AsyncTask.h:
* bmalloc/BoundaryTag.h:
(bmalloc::BoundaryTag::clear):
* bmalloc/Chunk.h:
    Change Traits::Page with Traits::PageType in order to fix
    -fpermitive build error on EFL and GTK port.
* bmalloc/EndTag.h:
(bmalloc::EndTag::operator=):
* bmalloc/Line.h: ditto.
* bmalloc/MediumTraits.h:
* bmalloc/Page.h: ditto.
* bmalloc/PerThread.h:
    EFL port doesn't support __has_include definition yet.
    Define HAVE_PTHREAD_MACHDEP_H according to check if __has_include is supported.
* bmalloc/SmallTraits.h: ditto.
* bmalloc/VMAllocate.h:
(bmalloc::vmDeallocatePhysicalPages):
(bmalloc::vmAllocatePhysicalPages):
* bmalloc/Vector.h:
(bmalloc::Vector<T>::push):
(bmalloc::Vector<T>::reallocateBuffer):

Source/WTF:

* wtf/CMakeLists.txt:
* wtf/FastMalloc.cpp:
    Enable bmalloc on GTK ports, but EFL port will enable it when bmalloc supports
    memory statistics.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@179923 268f45cc-cd09-0410-ab3c-d52691b4dbfc