Add skia::RefPtr class to wrap ref counted classes from Skia.

cc/gl_renderer.cc

 // Copyright 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/gl_renderer.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
@@ skipping 387 matching lines @@
     GrPlatformTextureDesc platformTextureDescription;
     platformTextureDescription.fWidth = sourceTexture->size().width();
     platformTextureDescription.fHeight = sourceTexture->size().height();
     platformTextureDescription.fConfig = kSkia8888_GrPixelConfig;
     platformTextureDescription.fTextureHandle = lock.textureId();
     SkAutoTUnref<GrTexture> texture(grContext->createPlatformTexture(platformTextureDescription));
 
     // Place the platform texture inside an SkBitmap.
     SkBitmap source;
     source.setConfig(SkBitmap::kARGB_8888_Config, sourceTexture->size().width(), sourceTexture->size().height());
-    source.setPixelRef(new SkGrPixelRef(texture.get()))->unref();
+    skia::RefPtr<SkGrPixelRef> pixelRef = new SkGrPixelRef(texture.get());
+    source.setPixelRef(pixelRef.get());
 
     // Create a scratch texture for backing store.
     GrTextureDesc desc;
     desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
     desc.fSampleCnt = 0;
     desc.fWidth = source.width();
     desc.fHeight = source.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
     GrAutoScratchTexture scratchTexture(grContext, desc, GrContext::kExact_ScratchTexMatch);
     SkAutoTUnref<GrTexture> backingStore(scratchTexture.detach());
@@ skipping 107 matching lines @@
 
     gfx::Transform contentsDeviceTransformInverse = MathUtil::inverse(contentsDeviceTransform);
     scoped_ptr<ScopedResource> backgroundTexture = drawBackgroundFilters(
         frame, quad, renderPass->background_filters,
         contentsDeviceTransform, contentsDeviceTransformInverse);
 
     // FIXME: Cache this value so that we don't have to do it for both the surface and its replica.
     // Apply filters to the contents texture.
     SkBitmap filterBitmap;
     if (renderPass->filter) {
-        filterBitmap = applyImageFilter(this, renderPass->filter, contentsTexture, m_client->hasImplThread());
+        filterBitmap = applyImageFilter(this, renderPass->filter.get(), contentsTexture, m_client->hasImplThread());
     } else {
         filterBitmap = applyFilters(this, renderPass->filters, contentsTexture, m_client->hasImplThread());
     }
     scoped_ptr<ResourceProvider::ScopedReadLockGL> contentsResourceLock;
     unsigned contentsTextureId = 0;
     if (filterBitmap.getTexture()) {
         GrTexture* texture = reinterpret_cast<GrTexture*>(filterBitmap.getTexture());
         contentsTextureId = texture->getTextureHandle();
     } else {
         contentsResourceLock = make_scoped_ptr(new ResourceProvider::ScopedReadLockGL(m_resourceProvider, contentsTexture->id()));
@@ skipping 1078 matching lines @@
 
     releaseRenderPassTextures();
 }
 
 bool GLRenderer::isContextLost()
 {
     return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR);
 }
 
 }  // namespace cc