Remove Chromium staging in SkDrawCommand

This cannot land until https://codereview.chromium.org/917063008/ (Cleanup lingering scaffolding for Skia change) has landed.

TBR=joshualitt@chromium.org

Review URL: https://codereview.chromium.org/930973002
diff --git a/src/utils/debugger/SkDrawCommand.cpp b/src/utils/debugger/SkDrawCommand.cpp
index 71a7344..38f02d9 100644
--- a/src/utils/debugger/SkDrawCommand.cpp
+++ b/src/utils/debugger/SkDrawCommand.cpp
@@ -14,9 +14,6 @@
 
 // TODO(chudy): Refactor into non subclass model.
 
-const char* SkDrawCommand::kDrawRectString = "DrawRect";
-const char* SkDrawCommand::kClipRectString = "ClipRect";
-
 SkDrawCommand::SkDrawCommand(OpType type)
     : fOpType(type)
     , fOffset(0)
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index 9ff1a9f..bcc97ca 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -14,11 +14,6 @@
 
 class SK_API SkDrawCommand {
 public:
-    // Staging for Chromium
-    static const char* kDrawRectString;
-    static const char* kClipRectString;
-    // End Staging
-
     enum OpType {
         kBeginCommentGroup_OpType,
         kClipPath_OpType,