Merge 105393 - [Chromium] Random characters got rendered as empty boxes or with incorrect glyphs ...

Merge 105393 - [Chromium] Random characters got rendered as empty boxes or with incorrect glyphs even when a font is present
https://bugs.webkit.org/show_bug.cgi?id=76508

Patch by Kazuhiro Inaba <kinaba@chromium.org>; on 2012-01-19
Reviewed by Kent Tamura.

Wrapped GetGlyphIndices() API calls so that when they failed we trigger font
loading outside the sandbox and retry the call.

No new auto tests since the bug involves the system's occasional cache behavior
and thus there's no reliable way to reproduce and test the situation.

* platform/graphics/chromium/GlyphPageTreeNodeChromiumWin.cpp:
(WebCore::getGlyphIndices):
GDI call wrapper ensuring fonts to be loaded.
(WebCore::initSpaceGlyph):
Changed to use the wrapper function.
(WebCore::fillBMPGlyphs):
Changed to use the wrapper function.
Introduced scoped HDC management by HWndDC.
(WebCore::GlyphPage::fill):

TBR=commit-queue@webkit.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=105593