Fix semantics of uploading HTML sources to 3D textures.

third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h

Index: third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h
diff --git a/third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h b/third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h
index 2edd92b345a29b1939e2bf36504a722d90a527ff..6cce892b555974420fe36be79ff19c62da5c2a5f 100644
--- a/third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h
+++ b/third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h
@@ -219,17 +219,21 @@ class PLATFORM_EXPORT WebGLImageConversion final {
                             unsigned sourceImageWidth,
                             unsigned sourceImageHeight,
                             const IntRect& sourceImageSubRectangle,
+                            int depth,
                             unsigned sourceUnpackAlignment,
+                            int unpackImageHeight,
                             Vector<uint8_t>& data);
 
   // Extracts the contents of the given ImageData into the passed Vector,
   // packing the pixel data according to the given format and type,
   // and obeying the flipY and premultiplyAlpha flags. Returns true
   // upon success.
-  static bool extractImageData(const uint8_t*,
+  static bool extractImageData(const uint8_t* imageData,
                                DataFormat sourceDataFormat,
-                               const IntSize&,
-                               const IntRect&,
+                               const IntSize& imageDataSize,
+                               const IntRect& sourceImageSubRectangle,
+                               int depth,
+                               int unpackImageHeight,
                                GLenum format,
                                GLenum type,
                                bool flipY,
@@ -266,7 +270,9 @@ class PLATFORM_EXPORT WebGLImageConversion final {
                          unsigned sourceDataWidth,
                          unsigned sourceDataHeight,
                          const IntRect& sourceDataSubRectangle,
+                         int depth,
                          unsigned sourceUnpackAlignment,
+                         int unpackImageHeight,
                          unsigned destinationFormat,
                          unsigned destinationType,
                          AlphaOp,