Change float-->double in CanvasRenderingContext2D.idl

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp

Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
index 17059a8eece1cd63d32529a1662d0e29c43d5e3f..8713551c53b954f4fbf8d22f64755f1c6052dc58 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -187,7 +187,7 @@ DEFINE_TRACE(CanvasRenderingContext2DState)
     CSSFontSelectorClient::trace(visitor);
 }
 
-void CanvasRenderingContext2DState::setLineDashOffset(float offset)
+void CanvasRenderingContext2DState::setLineDashOffset(double offset)
 {
     m_lineDashOffset = offset;
     m_lineDashDirty = true;
@@ -301,7 +301,7 @@ bool CanvasRenderingContext2DState::shouldAntialias() const
     return m_fillPaint.isAntiAlias();
 }
 
-void CanvasRenderingContext2DState::setGlobalAlpha(float alpha)
+void CanvasRenderingContext2DState::setGlobalAlpha(double alpha)
 {
     m_globalAlpha = alpha;
     m_strokeStyleDirty = true;
@@ -368,7 +368,7 @@ SkImageFilter* CanvasRenderingContext2DState::getFilter(Element* styleResolution
         // StrokePaint respectively for filters that reference SVG.
         StyleBuilder::applyProperty(CSSPropertyWebkitFilter, resolverState, m_filterValue.get());
         RefPtrWillBeRawPtr<FilterEffectBuilder> filterEffectBuilder = FilterEffectBuilder::create();
-        const float effectiveZoom = 1.0f; // Deliberately ignore zoom on the canvas element
+        const double effectiveZoom = 1.0; // Deliberately ignore zoom on the canvas element
         filterEffectBuilder->build(styleResolutionHost, filterStyle->filter(), effectiveZoom);
 
         SkiaImageFilterBuilder imageFilterBuilder;
@@ -412,7 +412,7 @@ SkDrawLooper* CanvasRenderingContext2DState::shadowAndForegroundDrawLooper() con
 SkImageFilter* CanvasRenderingContext2DState::shadowOnlyImageFilter() const
 {
     if (!m_shadowOnlyImageFilter) {
-        float sigma = skBlurRadiusToSigma(m_shadowBlur);
+        double sigma = skBlurRadiusToSigma(m_shadowBlur);
         m_shadowOnlyImageFilter = adoptRef(SkDropShadowImageFilter::Create(m_shadowOffset.width(), m_shadowOffset.height(), sigma, sigma, m_shadowColor, SkDropShadowImageFilter::kDrawShadowOnly_ShadowMode));
     }
     return m_shadowOnlyImageFilter.get();
@@ -421,7 +421,7 @@ SkImageFilter* CanvasRenderingContext2DState::shadowOnlyImageFilter() const
 SkImageFilter* CanvasRenderingContext2DState::shadowAndForegroundImageFilter() const
 {
     if (!m_shadowAndForegroundImageFilter) {
-        float sigma = skBlurRadiusToSigma(m_shadowBlur);
+        double sigma = skBlurRadiusToSigma(m_shadowBlur);
         m_shadowAndForegroundImageFilter = adoptRef(SkDropShadowImageFilter::Create(m_shadowOffset.width(), m_shadowOffset.height(), sigma, sigma, m_shadowColor, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode));
     }
     return m_shadowAndForegroundImageFilter.get();
@@ -435,19 +435,19 @@ void CanvasRenderingContext2DState::shadowParameterChanged()
     m_shadowAndForegroundImageFilter.clear();
 }
 
-void CanvasRenderingContext2DState::setShadowOffsetX(float x)
+void CanvasRenderingContext2DState::setShadowOffsetX(double x)
 {
     m_shadowOffset.setWidth(x);
     shadowParameterChanged();
 }
 
-void CanvasRenderingContext2DState::setShadowOffsetY(float y)
+void CanvasRenderingContext2DState::setShadowOffsetY(double y)
 {
     m_shadowOffset.setHeight(y);
     shadowParameterChanged();
 }
 
-void CanvasRenderingContext2DState::setShadowBlur(float shadowBlur)
+void CanvasRenderingContext2DState::setShadowBlur(double shadowBlur)
 {
     m_shadowBlur = shadowBlur;
     shadowParameterChanged();