Apply flood-opacity for feDropShadow

Apply flood-opacity for feDropShadow

FEDropShadow::m_shadowOpacity was set but never used.

Also fix a typo nearby in FEDropShadow::createImageFilter (stdY should
be scaled with the vertical scale factor - as in
FEDropShadow::applySoftware.)

TEST=svg/filters/feDropShadow-flood-opacity-*.svg
BUG=336222
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165445

[Stephen White, 2014-01-20 17:48:23]

LGTM. Thanks for the patch!

[commit-bot: I haz the power, 2014-01-21 08:04:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/fs@opera.com/143463002/1

[commit-bot: I haz the power, 2014-01-21 08:04:06]

Failed to apply patch for LayoutTests/TestExpectations:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file LayoutTests/TestExpectations
  Hunk #1 FAILED at 848.
  1 out of 1 hunk FAILED -- saving rejects to file
LayoutTests/TestExpectations.rej

Patch:       LayoutTests/TestExpectations
Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index
a5a2d10374abd8be43b5c0e41fcb47b7569b4337..5315b9e33bc96f3df217a7d751d26cd684ad31a6
100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -848,3 +848,7 @@ crbug.com/308818 html5lib/generated/run-tests11-data.html [
NeedsRebaseline ]
 crbug.com/308818 [ Mac ] svg/custom/viewbox-syntax.svg [ NeedsRebaseline ]
 crbug.com/308818 [ Mac ] svg/hixie/error/010.xml [ NeedsRebaseline ]
 crbug.com/308818 [ Mac ] svg/hixie/error/011.xml [ NeedsRebaseline ]
+
+crbug.com/336222
svg/dynamic-updates/SVGFEDropShadowElement-dom-shadow-opacity-attr.html [
NeedsRebaseline ]
+crbug.com/336222
svg/dynamic-updates/SVGFEDropShadowElement-svgdom-shadow-opacity-prop.html [
NeedsRebaseline ]
+crbug.com/336222 svg/filters/feDropShadow.svg [ NeedsRebaseline ]

[commit-bot: I haz the power, 2014-01-21 08:26:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/fs@opera.com/143463002/80001

[commit-bot: I haz the power, 2014-01-21 10:06:24]

Change committed as 165445