Revert "skslc switch support"

This reverts commit 2b1e468dabd2ac7bea7ec17740275f4f4aad30c3.

Reason for revert: bot breakage

Original change's description:
> skslc switch support
> 
> BUG=skia:
> 
> Change-Id: Ida7f9e80139aa1e4f43804cafbcac640e47fab25
> Reviewed-on: https://skia-review.googlesource.com/8771
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
> Reviewed-by: Ben Wagner <benjaminwagner@google.com>
> 

TBR=benjaminwagner@google.com,ethannicholas@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Change-Id: Iaaa35d10a15704279c6883d4d68f6d4ad5078320
Reviewed-on: https://skia-review.googlesource.com/8792
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

3 files changed, 0 insertions, 92 deletions

diff --git a/src/sksl/ast/SkSLASTStatement.h b/src/sksl/ast/SkSLASTStatement.h
index 6ce320e343..9ddde063ea 100644
--- a/src/sksl/ast/SkSLASTStatement.h
+++ b/src/sksl/ast/SkSLASTStatement.h
@@ -26,7 +26,6 @@ struct ASTStatement : public ASTPositionNode {
         kFor_Kind,
         kWhile_Kind,
         kDo_Kind,
-        kSwitch_Kind,
         kReturn_Kind,
         kBreak_Kind,
         kContinue_Kind,
diff --git a/src/sksl/ast/SkSLASTSwitchCase.h b/src/sksl/ast/SkSLASTSwitchCase.h
deleted file mode 100644
index 2c0a01c7fa..0000000000
--- a/src/sksl/ast/SkSLASTSwitchCase.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SKSL_ASTSWITCHCASE
-#define SKSL_ASTSWITCHCASE
-
-#include "SkSLASTStatement.h"
-
-namespace SkSL {
-
-/**
- * A single case of a 'switch' statement.
- */
-struct ASTSwitchCase : public ASTStatement {
-    // a null value means "default:"
-    ASTSwitchCase(Position position, std::unique_ptr<ASTExpression> value,
-                  std::vector<std::unique_ptr<ASTStatement>> statements)
-    : INHERITED(position, kSwitch_Kind)
-    , fValue(std::move(value))
-    , fStatements(std::move(statements)) {}
-
-    SkString description() const override {
-        SkString result;
-        if (fValue) {
-            result.appendf("case %s:\n", fValue->description().c_str());
-        } else {
-            result += "default:\n";
-        }
-        for (const auto& s : fStatements) {
-            result += s->description() + "\n";
-        }
-        return result;
-    }
-
-    // null value implies "default" case
-    const std::unique_ptr<ASTExpression> fValue;
-    const std::vector<std::unique_ptr<ASTStatement>> fStatements;
-
-    typedef ASTStatement INHERITED;
-};
-
-} // namespace
-
-#endif
diff --git a/src/sksl/ast/SkSLASTSwitchStatement.h b/src/sksl/ast/SkSLASTSwitchStatement.h
deleted file mode 100644
index 3031a7d2b1..0000000000
--- a/src/sksl/ast/SkSLASTSwitchStatement.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SKSL_ASTSWITCHSTATEMENT
-#define SKSL_ASTSWITCHSTATEMENT
-
-#include "SkSLASTStatement.h"
-#include "SkSLASTSwitchCase.h"
-
-namespace SkSL {
-
-/**
- * A 'switch' statement.
- */
-struct ASTSwitchStatement : public ASTStatement {
-    ASTSwitchStatement(Position position, std::unique_ptr<ASTExpression> value,
-                       std::vector<std::unique_ptr<ASTSwitchCase>> cases)
-    : INHERITED(position, kSwitch_Kind)
-    , fValue(std::move(value))
-    , fCases(std::move(cases)) {}
-
-    SkString description() const override {
-        SkString result = SkStringPrintf("switch (%s) {\n", + fValue->description().c_str());
-        for (const auto& c : fCases) {
-            result += c->description();
-        }
-        result += "}";
-        return result;
-    }
-
-    const std::unique_ptr<ASTExpression> fValue;
-    const std::vector<std::unique_ptr<ASTSwitchCase>> fCases;
-
-    typedef ASTStatement INHERITED;
-};
-
-} // namespace
-
-#endif