Add some plumbing for the color management of canvases

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h

Index: third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
diff --git a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
index 56652f1ee590e9df2da3c4e89546ea282b96c0bb..25d235438eae782c4d1570747684ef82fd680e47 100644
--- a/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
+++ b/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h
@@ -85,7 +85,7 @@ public:
         ForceAccelerationForTesting,
     };
 
-    static PassRefPtr<Canvas2DLayerBridge> create(const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode);
+    static PassRefPtr<Canvas2DLayerBridge> create(const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode, sk_sp<SkColorSpace>);
 
     ~Canvas2DLayerBridge() override;
 
@@ -118,6 +118,7 @@ public:
     void beginDestruction();
     void hibernate();
     bool isHibernating() const { return m_hibernationImage.get(); }
+    sk_sp<SkColorSpace> colorSpace() const { return m_colorSpace; }
 
     PassRefPtr<SkImage> newImageSnapshot(AccelerationHint, SnapshotReason);
 
@@ -183,7 +184,7 @@ private:
         MailboxInfo() {}
     };
 
-    Canvas2DLayerBridge(std::unique_ptr<WebGraphicsContext3DProvider>, const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode);
+    Canvas2DLayerBridge(std::unique_ptr<WebGraphicsContext3DProvider>, const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode, sk_sp<SkColorSpace>);
     gpu::gles2::GLES2Interface* contextGL();
     void startRecording();
     void skipQueuedDrawCommands();
@@ -271,6 +272,7 @@ private:
     AccelerationMode m_accelerationMode;
     OpacityMode m_opacityMode;
     const IntSize m_size;
+    sk_sp<SkColorSpace> m_colorSpace;
     int m_recordingPixelCount;
 
 #if USE_IOSURFACE_FOR_2D_CANVAS