Check framebuffer texture attachments are cube complete

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

Index: third_party/WebKit/Source/modules/webgl/WebGLTexture.h
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLTexture.h b/third_party/WebKit/Source/modules/webgl/WebGLTexture.h
index c8c3524c6cf648666487d97a75940542cd691a88..8c0b749f4a2e8b57acae3c40721feb0988a26448 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLTexture.h
+++ b/third_party/WebKit/Source/modules/webgl/WebGLTexture.h
@@ -68,6 +68,8 @@ public:
 
     static GLenum getValidFormatForInternalFormat(GLenum);
 
+    bool isCubeComplete() const { return m_isCubeComplete; }
+
     // Whether width/height is NotPowerOfTwo.
     static bool isNPOT(GLsizei, GLsizei);