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

This better reflects OpenGL terminology and is less overloaded ("lock" is used w.r.t. the resource cache).

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/275493004

git-svn-id: http://skia.googlecode.com/svn/trunk@14628 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrInOrderDrawBuffer.cpp b/src/gpu/GrInOrderDrawBuffer.cpp
index 44d0b1a..4931f47 100644
--- a/src/gpu/GrInOrderDrawBuffer.cpp
+++ b/src/gpu/GrInOrderDrawBuffer.cpp
@@ -569,8 +569,8 @@
     GrAutoTRestore<bool> flushRestore(&fFlushing);
     fFlushing = true;
 
-    fVertexPool.unlock();
-    fIndexPool.unlock();
+    fVertexPool.unmap();
+    fIndexPool.unmap();
 
     GrDrawTarget::AutoClipRestore acr(fDstGpu);
     AutoGeometryAndStatePush agasp(fDstGpu, kPreserve_ASRInit);