Rename my DeferredPipeController to not conflict with the other.

Fixes build.

Review URL: https://codereview.appspot.com/6506055

git-svn-id: http://skia.googlecode.com/svn/trunk@5372 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pipe/utils/SamplePipeControllers.h b/src/pipe/utils/SamplePipeControllers.h
index bbd8024..81b9120 100644
--- a/src/pipe/utils/SamplePipeControllers.h
+++ b/src/pipe/utils/SamplePipeControllers.h
@@ -50,11 +50,11 @@
 
 /**
  * Borrowed (and modified) from SkDeferredCanvas.cpp::DeferredPipeController.
- * Allows playing back from multiple threads.
+ * Allows playing back from multiple threads, but does not do the threading itself.
  */
-class DeferredPipeController : public SkGPipeController {
+class ThreadSafePipeController : public SkGPipeController {
 public:
-    DeferredPipeController(int numberOfReaders);
+    ThreadSafePipeController(int numberOfReaders);
     virtual void* requestBlock(size_t minRequest, size_t* actual) SK_OVERRIDE;
     virtual void notifyWritten(size_t bytes) SK_OVERRIDE;
     virtual int numberOfReaders() const SK_OVERRIDE { return fNumberOfReaders; }