PDF: remove unnecessary mutexes.

src/pdf/SkPDFStream.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkData.h"
@@ skipping 23 matching lines @@
     }
     this->mergeFrom(pdfStream);
     if (removeLength) {
         this->remove("Length");
     }
 }
 
 SkPDFStream::~SkPDFStream() {}
 
 void SkPDFStream::emitObject(SkWStream* stream, SkPDFCatalog* catalog) {
-    SkAutoMutexAcquire lock(fMutex);  // multiple threads could be calling emit
     if (!this->populate(catalog)) {
         return fSubstitute->emitObject(stream, catalog);
     }
 
     this->INHERITED::emitObject(stream, catalog);
     stream->writeText(" stream\n");
     stream->writeStream(fDataStream.get(), fDataStream->getLength());
     SkAssertResult(fDataStream->rewind());
     stream->writeText("\nendstream");
 }
@@ skipping 51 matching lines @@
     else if (fState == kNoCompression_State) {
         if (!fSubstitute.get()) {
             fSubstitute.reset(new SkPDFStream(*this));
             catalog->setSubstitute(this, fSubstitute.get());
         }
         return false;
     }
     return true;
 #endif  // SK_NO_FLATE
 }