Hide GrDrawTarget::Caps's member vars

Review URL: https://codereview.appspot.com/6499044



git-svn-id: http://skia.googlecode.com/svn/trunk@5328 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLIndexBuffer.cpp b/src/gpu/gl/GrGLIndexBuffer.cpp
index 9c019c1..26fdeb6 100644
--- a/src/gpu/gl/GrGLIndexBuffer.cpp
+++ b/src/gpu/gl/GrGLIndexBuffer.cpp
@@ -50,7 +50,7 @@
 void* GrGLIndexBuffer::lock() {
     GrAssert(fBufferID);
     GrAssert(!isLocked());
-    if (this->getGpu()->getCaps().fBufferLockSupport) {
+    if (this->getGpu()->getCaps().bufferLockSupport()) {
         this->bind();
         // Let driver know it can discard the old data
         GL_CALL(BufferData(GR_GL_ELEMENT_ARRAY_BUFFER,
@@ -75,7 +75,7 @@
 void GrGLIndexBuffer::unlock() {
     GrAssert(fBufferID);
     GrAssert(isLocked());
-    GrAssert(this->getGpu()->getCaps().fBufferLockSupport);
+    GrAssert(this->getGpu()->getCaps().bufferLockSupport());
 
     this->bind();
     GL_CALL(UnmapBuffer(GR_GL_ELEMENT_ARRAY_BUFFER));