Handle pipeline creation failure in Dawn

All other backends already have similar logic.

Change-Id: Idc8f1fe0839d5338f4832c04dd036accab20f156
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/378457
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/dawn/GrDawnOpsRenderPass.cpp b/src/gpu/dawn/GrDawnOpsRenderPass.cpp
index 0eace12..e208c64 100644
--- a/src/gpu/dawn/GrDawnOpsRenderPass.cpp
+++ b/src/gpu/dawn/GrDawnOpsRenderPass.cpp
@@ -145,6 +145,9 @@
 bool GrDawnOpsRenderPass::onBindPipeline(const GrProgramInfo& programInfo,
                                          const SkRect& drawBounds) {
     fCurrentProgram = fGpu->getOrCreateRenderPipeline(fRenderTarget, programInfo);
+    if (!fCurrentProgram) {
+        return false;
+    }
     this->applyState(fCurrentProgram.get(), programInfo);
     return true;
 }