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

src/gpu/GrGpu.h

Index: src/gpu/GrGpu.h
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index fc1623708edec835eda45c3ab02517ef6d29b489..11f87e0458d9b0b8b0aa3cd386ee7363d4a6028c 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -101,8 +101,8 @@ public:
      *
      * @param size    size in bytes of the vertex buffer
      * @param dynamic hints whether the data will be frequently changed
-     *                by either GrVertexBuffer::lock or
-     *                GrVertexBuffer::updateData.
+     *                by either GrVertexBuffer::map() or
+     *                GrVertexBuffer::updateData().
      *
      * @return    The vertex buffer if successful, otherwise NULL.
      */
@@ -113,8 +113,8 @@ public:
      *
      * @param size    size in bytes of the index buffer
      * @param dynamic hints whether the data will be frequently changed
-     *                by either GrIndexBuffer::lock or
-     *                GrIndexBuffer::updateData.
+     *                by either GrIndexBuffer::map() or
+     *                GrIndexBuffer::updateData().
      *
      * @return The index buffer if successful, otherwise NULL.
      */