Text blob run paints should be filtered.

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
 #include "SkBitmapDevice.h"
@@ skipping 2143 matching lines @@
                               const SkPaint& paint) {
 
     if (paint.canComputeFastBounds()) {
         SkRect storage;
 
         if (this->quickReject(paint.computeFastBounds(blob->bounds().makeOffset(x, y), &storage))) {
             return;
         }
     }
 
+    // We cannot filter in the looper as we normally do, because the paint is
+    // incomplete at this point (text-related attributes are embedded within blob run paints).
+    SkDrawFilter* drawFilter = fMCRec->fFilter;
+    fMCRec->fFilter = NULL;
+
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
 
     while (iter.next()) {
         SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
-        iter.fDevice->drawTextBlob(iter, blob, x, y, dfp.paint());
+        iter.fDevice->drawTextBlob(iter, blob, x, y, dfp.paint(), drawFilter);
     }
 
     LOOPER_END
+
+    fMCRec->fFilter = drawFilter;
 }
 
 // These will become non-virtual, so they always call the (virtual) onDraw... method
 void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
                         const SkPaint& paint) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawText()");
     this->onDrawText(text, byteLength, x, y, paint);
 }
 void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[],
                            const SkPaint& paint) {
@@ skipping 331 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }