minor SkSL changes to avoid compiler errors in Chromium

src/sksl/SkSLIRGenerator.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
  
 #include "SkSLIRGenerator.h"
 
 #include "limits.h"
@@ skipping 469 matching lines @@
     std::shared_ptr<SymbolTable> old = fSymbolTable;
     AutoSymbolTable table(this);
     Modifiers mods = this->convertModifiers(intf.fModifiers);
     std::vector<Type::Field> fields;
     for (size_t i = 0; i < intf.fDeclarations.size(); i++) {
         std::unique_ptr<VarDeclaration> decl = this->convertVarDeclaration(
                                                                          *intf.fDeclarations[i], 
                                                                          Variable::kGlobal_Storage);
         for (size_t j = 0; j < decl->fVars.size(); j++) {
             fields.push_back(Type::Field(decl->fVars[j]->fModifiers, decl->fVars[j]->fName, 
-                                         decl->fVars[j]->fType));
+                                         &decl->fVars[j]->fType));
             if (decl->fValues[j]) {
                 fErrors.error(decl->fPosition, 
                               "initializers are not permitted on interface block fields");
             }
             if (decl->fVars[j]->fModifiers.fFlags & (Modifiers::kIn_Flag |
                                                      Modifiers::kOut_Flag |
                                                      Modifiers::kUniform_Flag |
                                                      Modifiers::kConst_Flag)) {
                 fErrors.error(decl->fPosition, 
                               "interface block fields may not have storage qualifiers");
@@ skipping 757 matching lines @@
         case Expression::kIndex_Kind:
             this->markWrittenTo(*((IndexExpression&) expr).fBase);
             break;
         default:
             fErrors.error(expr.fPosition, "cannot assign to '" + expr.description() + "'");
             break;
     }
 }
 
 }