Use InterpolationLow on chromium-android

Use InterpolationLow on chromium-android
https://bugs.webkit.org/show_bug.cgi?id=89849

Reviewed by Daniel Bates.

Source/WebCore:

Min Qin writes:

  Using InterpolationHigh is very very expensive when resampling
  images.  For example, it took 1400ms to decode an image on
  http://www.crossfitsunnyvale.com/blog/, but it took 2800 ms to do the
  resampling Switch to InterpolationLow will result in linear
  resampling. It is much faster as the time it tooks is almost
  non-noticable [sic] on the trace.

* platform/graphics/skia/PlatformContextSkia.cpp:
(WebCore::PlatformContextSkia::State::State):

Source/WTF:

Introduce a USE macro to control image interpolation quality.

* wtf/Platform.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121184 268f45cc-cd09-0410-ab3c-d52691b4dbfc