Add mock config to tools and run through gms and benchs without crashing.

Change-Id: I7e2474129ef2b15899ad2baeb8d18f39d05da98c
Reviewed-on: https://skia-review.googlesource.com/21820
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/include/gpu/GrTypes.h b/include/gpu/GrTypes.h
index 1b90fb1fbb..e56cead9ce 100644
--- a/include/gpu/GrTypes.h
+++ b/include/gpu/GrTypes.h
@@ -188,11 +188,12 @@ enum GrBackend {
     kMetal_GrBackend,
     kOpenGL_GrBackend,
     kVulkan_GrBackend,
+    /**
+     * Mock is a backend that does not draw anything. It is used for unit tests
+     * and to measure CPU overhead.
+     */
     kMock_GrBackend,
-
-    kLast_GrBackend = kVulkan_GrBackend
 };
-const int kBackendCount = kLast_GrBackend + 1;
 
 /**
  * Backend-specific 3D context handle