Reduce calls sites where both the GrDrawContext & GrRenderTarget are both passed

src/gpu/GrDrawContext.cpp

Index: src/gpu/GrDrawContext.cpp
diff --git a/src/gpu/GrDrawContext.cpp b/src/gpu/GrDrawContext.cpp
index c07b0602ea6b1c0c17eb1d85645f41d2bd3fa562..f8859df2ee562a7fe9acd5c8646a21ef739c7e22 100644
--- a/src/gpu/GrDrawContext.cpp
+++ b/src/gpu/GrDrawContext.cpp
@@ -100,7 +100,7 @@ void GrDrawContext::drawText(const GrClip& clip, const GrPaint& grPaint,
         fTextContext = fDrawingManager->textContext(fSurfaceProps, fRenderTarget);
     }
 
-    fTextContext->drawText(this, fRenderTarget, clip, grPaint, skPaint, viewMatrix,
+    fTextContext->drawText(this, clip, grPaint, skPaint, viewMatrix,
                            text, byteLength, x, y, clipBounds);
 }
 
@@ -117,7 +117,7 @@ void GrDrawContext::drawPosText(const GrClip& clip, const GrPaint& grPaint,
         fTextContext = fDrawingManager->textContext(fSurfaceProps, fRenderTarget);
     }
 
-    fTextContext->drawPosText(this, fRenderTarget, clip, grPaint, skPaint, viewMatrix, text, byteLength,
+    fTextContext->drawPosText(this, clip, grPaint, skPaint, viewMatrix, text, byteLength,
                               pos, scalarsPerPosition, offset, clipBounds);
 
 }
@@ -133,8 +133,7 @@ void GrDrawContext::drawTextBlob(const GrClip& clip, const SkPaint& skPaint,
         fTextContext = fDrawingManager->textContext(fSurfaceProps, fRenderTarget);
     }
 
-    fTextContext->drawTextBlob(this, fRenderTarget,
-                               clip, skPaint, viewMatrix, blob, x, y, filter, clipBounds);
+    fTextContext->drawTextBlob(this, clip, skPaint, viewMatrix, blob, x, y, filter, clipBounds);
 }
 
 void GrDrawContext::drawPathsFromRange(const GrPipelineBuilder* pipelineBuilder,