Remove transform feedback validation in Blink

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

Index: third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
index 42271466426d6b30408ecbb99d9f2008869f896f..8bff5927ab95daf4dbec4473b96429ba9ac58d13 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
@@ -2239,11 +2239,6 @@ void WebGLRenderingContextBase::drawElements(GLenum mode, GLsizei count, GLenum
         return;
     }
 
-    if (transformFeedbackActive() && !transformFeedbackPaused()) {
-        synthesizeGLError(GL_INVALID_OPERATION, "drawElements", "transform feedback is active and not paused");
-        return;
-    }
-
     ScopedRGBEmulationColorMask emulationColorMask(contextGL(), m_colorMask, m_drawingBuffer.get());
     clearIfComposited();
     contextGL()->DrawElements(mode, count, type, reinterpret_cast<void*>(static_cast<intptr_t>(offset)));
@@ -4924,11 +4919,6 @@ void WebGLRenderingContextBase::useProgram(ScriptState* scriptState, WebGLProgra
         return;
     }
 
-    if (transformFeedbackActive() && !transformFeedbackPaused()) {
-        synthesizeGLError(GL_INVALID_OPERATION, "useProgram", "transform feedback is active and not paused");
-        return;
-    }
-
     if (m_currentProgram != program) {
         if (m_currentProgram)
             m_currentProgram->onDetached(contextGL());