Ensure GL context current before calling GL

Bug: 1065901
Change-Id: If4cf2bcda93791651717a3627686e9b766a49a7d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2127513
Commit-Queue: Jonathan Backer <backer@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Auto-Submit: Jonathan Backer <backer@chromium.org>
Reviewed-by: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#754559}

gpu/ipc/service/raster_command_buffer_stub.cc

@@ -103,7 +103,7 @@ gpu::ContextResult RasterCommandBufferStub::Initialize(
   }
 
   if (!shared_context_state->IsGLInitialized()) {
-    if (!shared_context_state->MakeCurrent(nullptr) ||
+    if (!shared_context_state->MakeCurrent(nullptr, true /* needs_gl */) ||
         !shared_context_state->InitializeGL(
             manager->gpu_preferences(),
             base::MakeRefCounted<gles2::FeatureInfo>(