Remove most GrCoordTransform code

All coord transforms were identity, so this enshrines that
knowledge, then transitively removes a large amount of code.

Bug: skia:10416
Change-Id: Iae4af9ca21590bced1ce9fce3ab807f6cceaebd4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300234
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/gm/tessellation.cpp b/gm/tessellation.cpp
index ab9ceea..2cfc62d 100644
--- a/gm/tessellation.cpp
+++ b/gm/tessellation.cpp
@@ -80,8 +80,8 @@
             this->writeFragmentShader(args.fFragBuilder, args.fOutputColor, args.fOutputCoverage);
         }
         void writeFragmentShader(GrGLSLFPFragmentBuilder*, const char* color, const char* coverage);
-        void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc,
-                     const CoordTransformRange&) override {
+        void setData(const GrGLSLProgramDataManager& pdman,
+                     const GrPrimitiveProcessor& proc) override {
             pdman.setSkMatrix(fViewMatrixUniform,
                               proc.cast<TessellationTestTriShader>().fViewMatrix);
         }
@@ -198,8 +198,8 @@
             this->writeFragmentShader(args.fFragBuilder, args.fOutputColor, args.fOutputCoverage);
         }
         void writeFragmentShader(GrGLSLFPFragmentBuilder*, const char* color, const char* coverage);
-        void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc,
-                     const CoordTransformRange&) override {
+        void setData(const GrGLSLProgramDataManager& pdman,
+                     const GrPrimitiveProcessor& proc) override {
             pdman.setSkMatrix(fViewMatrixUniform,
                               proc.cast<TessellationTestRectShader>().fViewMatrix);
         }