Add ContextProvider::InvalidateGrContext to reset GL state in GrContext

content/browser/android/in_process/context_provider_in_process.cc

Index: content/browser/android/in_process/context_provider_in_process.cc
diff --git a/content/browser/android/in_process/context_provider_in_process.cc b/content/browser/android/in_process/context_provider_in_process.cc
index ed26bd5e330943f297f8689c15073243a5424cfa..3f0f341f299e0ba0d267ae8c91846ed127255045 100644
--- a/content/browser/android/in_process/context_provider_in_process.cc
+++ b/content/browser/android/in_process/context_provider_in_process.cc
@@ -11,6 +11,7 @@
 #include "content/common/gpu/client/grcontext_for_webgraphicscontext3d.h"
 #include "gpu/blink/webgraphicscontext3d_in_process_command_buffer_impl.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
+#include "third_party/skia/include/gpu/GrContext.h"
 
 using gpu_blink::WebGraphicsContext3DInProcessCommandBufferImpl;
 
@@ -159,6 +160,14 @@ class GrContext* ContextProviderInProcess::GrContext() {
   return gr_context_->get();
 }
 
+void ContextProviderInProcess::InvalidateGrContext(uint32_t state) {
+  DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
+  DCHECK(context_thread_checker_.CalledOnValidThread());
+
+  if (gr_context_)
+    return gr_context_->get()->resetContext(state);
+}
+
 void ContextProviderInProcess::SetupLock() {
   context3d_->SetLock(&context_lock_);
 }