Fix dEQP renderbuffer unspecified attachment test.

src/libANGLE/FramebufferAttachment.cpp

@@ -140,32 +140,32 @@ void FramebufferAttachment::attach(const Context *context,
 
 GLuint FramebufferAttachment::getRedSize() const
 {
-    return getFormat().info->redBits;
+    return getSize().empty() ? 0 : getFormat().info->redBits;
 }
 
 GLuint FramebufferAttachment::getGreenSize() const
 {
-    return getFormat().info->greenBits;
+    return getSize().empty() ? 0 : getFormat().info->greenBits;
 }
 
 GLuint FramebufferAttachment::getBlueSize() const
 {
-    return getFormat().info->blueBits;
+    return getSize().empty() ? 0 : getFormat().info->blueBits;
 }
 
 GLuint FramebufferAttachment::getAlphaSize() const
 {
-    return getFormat().info->alphaBits;
+    return getSize().empty() ? 0 : getFormat().info->alphaBits;
 }
 
 GLuint FramebufferAttachment::getDepthSize() const
 {
-    return getFormat().info->depthBits;
+    return getSize().empty() ? 0 : getFormat().info->depthBits;
 }
 
 GLuint FramebufferAttachment::getStencilSize() const
 {
-    return getFormat().info->stencilBits;
+    return getSize().empty() ? 0 : getFormat().info->stencilBits;
 }
 
 GLenum FramebufferAttachment::getComponentType() const

src/tests/deqp_support/deqp_gles3_test_expectations.txt

@@ -32,10 +32,6 @@
 // Don't run these tests for faster turnover
 1101 : dEQP-GLES3.functional.flush_finish.* = SKIP
 
-// Figure out why this caused this regression in Chrome:
-// https://bugs.chromium.org/p/chromium/issues/detail?id=833809#
-2321 : dEQP-GLES3.functional.state_query.fbo.framebuffer_unspecified_attachment_x_size_rbo = FAIL
-
 // TODO(jmadill): Figure out why these fail on the bots, but not locally.
 1108 WIN D3D11 : dEQP-GLES3.functional.shaders.struct.local.dynamic_loop_struct_array_fragment = FAIL
 1094 WIN D3D11 : dEQP-GLES3.functional.shaders.invariance.highp.loop_2 = FAIL