Rename from "(un)lock" to "(un)map" for geometry buffers.

src/gpu/gl/GrGpuGL_program.cpp

Index: src/gpu/gl/GrGpuGL_program.cpp
diff --git a/src/gpu/gl/GrGpuGL_program.cpp b/src/gpu/gl/GrGpuGL_program.cpp
index b9b0984732d972910eb0f5d064467c398570c035..bc3a5b2e79a6e4296991d599d2bafb605263928a 100644
--- a/src/gpu/gl/GrGpuGL_program.cpp
+++ b/src/gpu/gl/GrGpuGL_program.cpp
@@ -313,7 +313,7 @@ void GrGpuGL::setupGeometry(const DrawInfo& info, size_t* indexOffsetInBytes) {
     }
 
     SkASSERT(NULL != vbuf);
-    SkASSERT(!vbuf->isLocked());
+    SkASSERT(!vbuf->isMapped());
     vertexOffsetInBytes += vbuf->baseOffset();
 
     GrGLIndexBuffer* ibuf = NULL;
@@ -337,7 +337,7 @@ void GrGpuGL::setupGeometry(const DrawInfo& info, size_t* indexOffsetInBytes) {
         }
 
         SkASSERT(NULL != ibuf);
-        SkASSERT(!ibuf->isLocked());
+        SkASSERT(!ibuf->isMapped());
         *indexOffsetInBytes += ibuf->baseOffset();
     }
     GrGLAttribArrayState* attribState =