Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.h

 // Copyright 2015 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.
 
 #ifndef WebGL2RenderingContextBase_h
 #define WebGL2RenderingContextBase_h
 
 #include "modules/webgl/WebGLExtension.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
-#include <memory>
 
 namespace blink {
 
 class WebGLTexture;
 
 class WebGLActiveInfo;
 class WebGLBuffer;
 class WebGLProgram;
 class WebGLQuery;
 class WebGLSampler;
@@ skipping 190 matching lines @@
     ScriptValue getTexParameter(ScriptState*, GLenum target, GLenum pname) override;
     ScriptValue getFramebufferAttachmentParameter(ScriptState*, GLenum target, GLenum attachment, GLenum pname) override;
     void pixelStorei(GLenum pname, GLint param) override;
     void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, DOMArrayBufferView* pixels) override;
     void restoreCurrentFramebuffer() override;
 
     EAGERLY_FINALIZE();
     DECLARE_VIRTUAL_TRACE();
 
 protected:
-    WebGL2RenderingContextBase(HTMLCanvasElement*, std::unique_ptr<WebGraphicsContext3DProvider>, const WebGLContextAttributes& requestedAttributes);
+    WebGL2RenderingContextBase(HTMLCanvasElement*, PassOwnPtr<WebGraphicsContext3DProvider>, const WebGLContextAttributes& requestedAttributes);
 
     // Helper function to validate target and the attachment combination for getFramebufferAttachmentParameters.
     // Generate GL error and return false if parameters are illegal.
     bool validateGetFramebufferAttachmentParameterFunc(const char* functionName, GLenum target, GLenum attachment);
 
     bool validateClearBuffer(const char* functionName, GLenum buffer, GLsizei length);
 
     enum TexStorageType {
         TexStorageType2D,
         TexStorageType3D,
@@ skipping 82 matching lines @@
     ScopedPersistent<v8::Array> m_queryWrappers;
 };
 
 DEFINE_TYPE_CASTS(WebGL2RenderingContextBase, CanvasRenderingContext, context,
     context->is3d() && WebGLRenderingContextBase::getWebGLVersion(context) >= 2,
     context.is3d() && WebGLRenderingContextBase::getWebGLVersion(&context) >= 2);
 
 } // namespace blink
 
 #endif