Remove nullchecks for the provider's context.

content/renderer/webgraphicscontext3d_provider_impl.cc

Index: content/renderer/webgraphicscontext3d_provider_impl.cc
diff --git a/content/renderer/webgraphicscontext3d_provider_impl.cc b/content/renderer/webgraphicscontext3d_provider_impl.cc
index 1fcdb6309878e10ab5e3fbdeff36528b68cdf3c5..5151e8a1984ffb045573cf282b62a80f49fb0385 100644
--- a/content/renderer/webgraphicscontext3d_provider_impl.cc
+++ b/content/renderer/webgraphicscontext3d_provider_impl.cc
@@ -16,12 +16,10 @@ WebGraphicsContext3DProviderImpl::WebGraphicsContext3DProviderImpl(
 WebGraphicsContext3DProviderImpl::~WebGraphicsContext3DProviderImpl() {}
 
 blink::WebGraphicsContext3D* WebGraphicsContext3DProviderImpl::context3d() {
-  DCHECK_EQ(!!provider_->WebContext3D(), !!provider_->ContextGL());
   return provider_->WebContext3D();
 }
 
 gpu::gles2::GLES2Interface* WebGraphicsContext3DProviderImpl::contextGL() {
-  DCHECK_EQ(!!provider_->WebContext3D(), !!provider_->ContextGL());
   return provider_->ContextGL();
 }