Fixed memory leak in Renderbuffer class. Offscreen objects backbuffer texture /shader resource view, depth stencil texture/shader resource views were leaking during swapchain resize operations.

Change-Id: Iee83a14d043eecc465e6ffb8e21a6449def38e9b
Reviewed-on: https://chromium-review.googlesource.com/211834
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>

AUTHORS

@@ -20,6 +20,7 @@ Intel Corporation
 Mozilla Corporation
 Turbulenz
 Klarälvdalens Datakonsult AB
+Microsoft Open Technologies, Inc.
 
 Jacek Caban
 Mark Callow

CONTRIBUTORS

@@ -78,3 +78,6 @@ Ulrik Persson (ddefrostt)
 Mark Banner (standard8mbp)
 David Kilzer
 
+Microsoft Open Technologies, Inc.
+Cooper Partin
+Austin Kinross

src/libGLESv2/Renderbuffer.cpp

@@ -29,6 +29,11 @@ Renderbuffer::Renderbuffer(GLuint id, RenderbufferStorage *newStorage)
     ASSERT(mStorage);
 }
 
+Renderbuffer::~Renderbuffer()
+{
+    SafeDelete(mStorage);
+}
+
 void Renderbuffer::setStorage(RenderbufferStorage *newStorage)
 {
     ASSERT(newStorage);

src/libGLESv2/Renderbuffer.h

@@ -39,6 +39,7 @@ class Renderbuffer : public RefCountObject
 {
   public:
     Renderbuffer(GLuint id, RenderbufferStorage *newStorage);
+    virtual ~Renderbuffer();
 
     void setStorage(RenderbufferStorage *newStorage);
     RenderbufferStorage *getStorage();