Revert "Centralize geometry processor vertex shader transform code"

This reverts commit 0426947243e1d6b470830c4d3b1c5704ed1f23e1.

Reason for revert: unblock chrome roller

Original change's description:
> Centralize geometry processor vertex shader transform code
> 
> GrGLSLGeometryProcessors no longer have to call emitTransforms() in
> their onEmitCode() function. Instead, the GpArgs struct allows them to
> set a GrShaderVar that holds the computed or explicitly provided local
> coordinates in the vertex shader.
> 
> The base GrGLSLGeometryProcessor now automatically uses that to collect
> all of the transforms that can then be lifted out of FPs to the vertex
> shader, and base their computation on the GP provided local coordinate.
> 
> As part of this, there is no more built-in magic concatenation of a
> local matrix / inverse view matrix to these coordinate transforms. GP
> implementations that relied on this now manage their own uniform for this
> matrix and compute the local coordinate before assigning to GpArgs.
> 
> The base GrGLSLGeometryProcessor is updated to provide helpers for this
> pattern.
> 
> Bug: skia:10396
> Change-Id: I56afb3fff4b806f6015ab13626ac1afde9ef5c2b
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297027
> Commit-Queue: Michael Ludwig <michaelludwig@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>

TBR=bsalomon@google.com,brianosman@google.com,michaelludwig@google.com

Change-Id: I203b7c72591d39b159e0405716fe8cdc28b083af
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:10396
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297917
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
diff --git a/src/gpu/ccpr/GrCCPathProcessor.cpp b/src/gpu/ccpr/GrCCPathProcessor.cpp
index e5c99c0..d4c1d8b 100644
--- a/src/gpu/ccpr/GrCCPathProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPathProcessor.cpp
@@ -103,10 +103,6 @@
 public:
     void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override;
 
-    static void GenKey(const GrCCPathProcessor& cc, GrProcessorKeyBuilder* b) {
-        b->add32(AddMatrixKeys((uint32_t) cc.fCoverageMode, SkMatrix::I(), cc.fLocalMatrix));
-    }
-
 private:
     void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc,
                  const CoordTransformRange& transformRange) override {
@@ -114,21 +110,14 @@
         pdman.set2f(fAtlasAdjustUniform,
                     1.0f / proc.fAtlasDimensions.fWidth,
                     1.0f / proc.fAtlasDimensions.fHeight);
-        this->setTransformDataHelper(pdman, transformRange);
-        this->setTransform(pdman, fLocalMatrixUni, proc.fLocalMatrix, &fLocalMatrix);
+        this->setTransformDataHelper(proc.fLocalMatrix, pdman, transformRange);
     }
 
     GrGLSLUniformHandler::UniformHandle fAtlasAdjustUniform;
-    GrGLSLUniformHandler::UniformHandle fLocalMatrixUni;
-    SkMatrix fLocalMatrix = SkMatrix::InvalidMatrix();
 
     typedef GrGLSLGeometryProcessor INHERITED;
 };
 
-void GrCCPathProcessor::getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const  {
-    GrCCPathProcessor::Impl::GenKey(*this, b);
-}
-
 GrGLSLPrimitiveProcessor* GrCCPathProcessor::createGLSLInstance(const GrShaderCaps&) const {
     return new Impl();
 }
@@ -229,8 +218,8 @@
     }
 
     gpArgs->fPositionVar.set(kFloat2_GrSLType, "octocoord");
-    this->writeLocalCoord(v, args.fUniformHandler, gpArgs, gpArgs->fPositionVar, proc.fLocalMatrix,
-                          &fLocalMatrixUni);
+    this->emitTransforms(v, varyingHandler, uniHandler, gpArgs->fPositionVar, proc.fLocalMatrix,
+                         args.fFPCoordTransformHandler);
 
     // Fragment shader.
     GrGLSLFPFragmentBuilder* f = args.fFragBuilder;