Add support for blending of LCD for all blend modes.

src/gpu/GrProcOptInfo.cpp

Index: src/gpu/GrProcOptInfo.cpp
diff --git a/src/gpu/GrProcOptInfo.cpp b/src/gpu/GrProcOptInfo.cpp
index d7f2d7f31259ee996505e507b83e0013c59e8fa5..6a2584d5f9d68aa6aa00094438d8374f40697d17 100644
--- a/src/gpu/GrProcOptInfo.cpp
+++ b/src/gpu/GrProcOptInfo.cpp
@@ -33,11 +33,13 @@ void GrProcOptInfo::calcWithInitialValues(const GrFragmentProcessor * const proc
                                           int cnt,
                                           GrColor startColor,
                                           GrColorComponentFlags flags,
-                                          bool areCoverageStages) {
+                                          bool areCoverageStages,
+                                          bool isLCD) {
     GrInitInvariantOutput out;
     out.fIsSingleComponent = areCoverageStages;
     out.fColor = startColor;
     out.fValidFlags = flags;
+    out.fIsLCDCoverage = isLCD;
     fInOut.reset(out);
     this->internalCalc(processors, cnt, false);
 }