content: Rename num raster threads -> num worker threads.

content/browser/gpu/compositor_util.h

Index: content/browser/gpu/compositor_util.h
diff --git a/content/browser/gpu/compositor_util.h b/content/browser/gpu/compositor_util.h
index 61d597ac6d507f0cb3c6eeae3a482fc5a34a6d6e..1710b015aa60f74361947406efde9b429b24f4a3 100644
--- a/content/browser/gpu/compositor_util.h
+++ b/content/browser/gpu/compositor_util.h
@@ -36,8 +36,8 @@ CONTENT_EXPORT int GpuRasterizationMSAASampleCount();
 // Returns true if force-gpu-rasterization is on (via flags) for the renderer.
 CONTENT_EXPORT bool IsForceGpuRasterizationEnabled();
 
-// Returns the number of raster threads to use for compositing.
-CONTENT_EXPORT int NumberOfRendererRasterThreads();
+// Returns the number of categorized worker threads to use for compositing.
+CONTENT_EXPORT int NumberOfRendererCategorizedWorkerThreads();
 
 // Returns true if main thread can be pipelined with activation.
 CONTENT_EXPORT bool IsMainFrameBeforeActivationEnabled();