Set text anti-aliasing settings at PPAPI plugin process on Windows.

This patch will enable text anti-aliasing to call the following methods:
* blink::WebFontRendering::setAntialiasedTextEnabled
* blink::WebFontRendering::setLCDTextEnabled

This patch will also get anti-aliasing settings from
gfx::GetFontRenderParams method.

BUG=615375
TEST=If [Smooth edges of screen fonts] at advanced system settings is
enabled, text in flash is anti-aliased. If disabled, text is aliased.

Review-Url: https://codereview.chromium.org/2048563004
Cr-Commit-Position: refs/heads/master@{#399073}
(cherry picked from commit 90d6c375486700b6965665189853549c96716efa)

Review URL: https://codereview.chromium.org/2081643002 .

Cr-Commit-Position: refs/branch-heads/2743@{#393}
Cr-Branched-From: 2b3ae3b8090361f8af5a611712fc1a5ab2de53cb-refs/heads/master@{#394939}
2 files changed