Patch to create a distinct geometry processor.  The vast majority of this patch
is just a rename.  The meat is in GrGeometryProcessor, GrProcessor,
GrGL*Processor, GrProcessorStage, Gr*BackendProcessorFactory,
GrProcessUnitTestFactory, and the builders

BUG=skia:
R=bsalomon@google.com

Author: joshualitt@chromium.org

Review URL: https://codereview.chromium.org/582963002
diff --git a/src/core/SkImageFilter.cpp b/src/core/SkImageFilter.cpp
index e5be085..56c310d 100644
--- a/src/core/SkImageFilter.cpp
+++ b/src/core/SkImageFilter.cpp
@@ -227,7 +227,7 @@
 }
 
 bool SkImageFilter::canFilterImageGPU() const {
-    return this->asNewEffect(NULL, NULL, SkMatrix::I(), SkIRect());
+    return this->asFragmentProcessor(NULL, NULL, SkMatrix::I(), SkIRect());
 }
 
 bool SkImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
@@ -263,16 +263,16 @@
     am.setIdentity(context);
     GrContext::AutoRenderTarget art(context, dst.texture()->asRenderTarget());
     GrContext::AutoClip acs(context, dstRect);
-    GrEffect* effect;
+    GrFragmentProcessor* fp;
     offset->fX = bounds.left();
     offset->fY = bounds.top();
     bounds.offset(-srcOffset);
     SkMatrix matrix(ctx.ctm());
     matrix.postTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
-    this->asNewEffect(&effect, srcTexture, matrix, bounds);
-    SkASSERT(effect);
+    this->asFragmentProcessor(&fp, srcTexture, matrix, bounds);
+    SkASSERT(fp);
     GrPaint paint;
-    paint.addColorEffect(effect)->unref();
+    paint.addColorProcessor(fp)->unref();
     context->drawRectToRect(paint, dstRect, srcRect);
 
     SkAutoTUnref<GrTexture> resultTex(dst.detach());
@@ -365,7 +365,8 @@
     return true;
 }
 
-bool SkImageFilter::asNewEffect(GrEffect**, GrTexture*, const SkMatrix&, const SkIRect&) const {
+bool SkImageFilter::asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&,
+                                        const SkIRect&) const {
     return false;
 }