Let TextureStorage track the texture pool explicitly

src/libGLESv2/Texture.cpp

@@ -1264,7 +1264,7 @@ void Image::copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width,
 
 TextureStorage::TextureStorage(bool renderable)
     : mRenderable(renderable),
-      mManaged(getDisplay()->getTexturePool(renderable) == D3DPOOL_MANAGED),
+      mD3DPool(getDisplay()->getTexturePool(renderable)),
       mTextureSerial(issueTextureSerial())
 {
 }
@@ -1280,7 +1280,7 @@ bool TextureStorage::isRenderable() const
 
 bool TextureStorage::isManaged() const
 {
-    return mManaged;
+    return (mD3DPool == D3DPOOL_MANAGED);
 }
 
 unsigned int TextureStorage::getTextureSerial() const

src/libGLESv2/Texture.h

@@ -157,7 +157,7 @@ class TextureStorage
     DISALLOW_COPY_AND_ASSIGN(TextureStorage);
 
     const bool mRenderable;
-    const bool mManaged;
+    const D3DPOOL mD3DPool;
 
     const unsigned int mTextureSerial;
     static unsigned int issueTextureSerial();