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..4de2d08641352246284152889d9a9c3e9b1c1505 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -187,13 +187,13 @@ DEFINE_TRACE(CanvasRenderingContext2DState)
     CSSFontSelectorClient::trace(visitor);
 }
 
-void CanvasRenderingContext2DState::setLineDashOffset(float offset)
+void CanvasRenderingContext2DState::setLineDashOffset(double offset)
 {
     m_lineDashOffset = offset;
     m_lineDashDirty = true;
 }
 
-void CanvasRenderingContext2DState::setLineDash(const Vector<float>& dash)
+void CanvasRenderingContext2DState::setLineDash(const Vector<double>& dash)
 {
     m_lineDash = dash;
     // Spec requires the concatenation of two copies the dash list when the
@@ -204,10 +204,10 @@ void CanvasRenderingContext2DState::setLineDash(const Vector<float>& dash)
     m_lineDashDirty = true;
 }
 
-static bool hasANonZeroElement(const Vector<float>& lineDash)
+static bool hasANonZeroElement(const Vector<double>& lineDash)
 {
     for (size_t i = 0; i < lineDash.size(); i++) {
-        if (lineDash[i] != 0.0f)
+        if (lineDash[i] != 0.0)
             return true;
     }
     return false;
@@ -221,7 +221,9 @@ void CanvasRenderingContext2DState::updateLineDash() const
     if (!hasANonZeroElement(m_lineDash)) {
         m_strokePaint.setPathEffect(0);
     } else {
-        RefPtr<SkPathEffect> dashPathEffect = adoptRef(SkDashPathEffect::Create(m_lineDash.data(), m_lineDash.size(), m_lineDashOffset));
+        Vector<float> lineDash(m_lineDash.size());
+        std::copy(m_lineDash.begin(), m_lineDash.end(), lineDash.begin());
+        RefPtr<SkPathEffect> dashPathEffect = adoptRef(SkDashPathEffect::Create(lineDash.data(), lineDash.size(), m_lineDashOffset));
         m_strokePaint.setPathEffect(dashPathEffect.get());
     }
 
@@ -301,7 +303,7 @@ 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 +370,7 @@ 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 +414,7 @@ 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 +423,7 @@ 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 +437,19 @@ 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();