Plumb CanvasColorParams to canvas image classes

third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp

Index: third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp b/third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp
index ea86467666e551f63286f205e2493ce5d5471399..80edcb1bd188feb76864d725dc316e8a85e34574 100644
--- a/third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp
+++ b/third_party/WebKit/Source/platform/graphics/CanvasColorParams.cpp
@@ -8,10 +8,16 @@
 
 namespace blink {
 
+CanvasColorParams::CanvasColorParams() = default;
+
 CanvasColorParams::CanvasColorParams(CanvasColorSpace color_space,
                                      CanvasPixelFormat pixel_format)
     : color_space_(color_space), pixel_format_(pixel_format) {}
 
+bool CanvasColorParams::UsesOutputSpaceBlending() const {
+  return color_space_ == kLegacyCanvasColorSpace;
+}
+
 sk_sp<SkColorSpace> CanvasColorParams::GetSkColorSpaceForSkSurfaces() const {
   if (color_space_ == kLegacyCanvasColorSpace)
     return nullptr;
@@ -24,6 +30,10 @@ SkColorType CanvasColorParams::GetSkColorType() const {
   return kN32_SkColorType;
 }
 
+uint8_t CanvasColorParams::BytesPerPixel() const {
+  return SkColorTypeBytesPerPixel(GetSkColorType());
+}
+
 gfx::ColorSpace CanvasColorParams::GetGfxColorSpace() const {
   switch (color_space_) {
     case kLegacyCanvasColorSpace:
@@ -42,6 +52,10 @@ gfx::ColorSpace CanvasColorParams::GetGfxColorSpace() const {
   return gfx::ColorSpace();
 }
 
+sk_sp<SkColorSpace> CanvasColorParams::GetSkColorSpace() const {
+  return GetGfxColorSpace().ToSkColorSpace();
+}
+
 bool CanvasColorParams::LinearPixelMath() const {
   return pixel_format_ == kF16CanvasPixelFormat;
 }