Add lock back to SharedRendererState

android_webview/browser/shared_renderer_state.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/browser/shared_renderer_state.h"
 
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "base/bind.h"
 #include "base/location.h"
 
@@ skipping 29 matching lines @@
 
 void SharedRendererState::ClientRequestDrawGLOnUIThread() {
   DCHECK(ui_loop_->BelongsToCurrentThread());
   if (!client_on_ui_->RequestDrawGL(NULL)) {
     LOG(ERROR) << "Failed to request GL process. Deadlock likely";
   }
 }
 
 void SharedRendererState::SetCompositorOnUiThread(
     content::SynchronousCompositor* compositor) {
+  base::AutoLock lock(lock_);
   DCHECK(ui_loop_->BelongsToCurrentThread());
   compositor_ = compositor;
 }
 
 content::SynchronousCompositor* SharedRendererState::GetCompositor() {
+  base::AutoLock lock(lock_);
   DCHECK(compositor_);
   return compositor_;
 }
 
 void SharedRendererState::SetDrawGLInput(const DrawGLInput& input) {
+  base::AutoLock lock(lock_);
   draw_gl_input_ = input;
 }
 
 DrawGLInput SharedRendererState::GetDrawGLInput() const {
+  base::AutoLock lock(lock_);
   return draw_gl_input_;
 }
 
 }  // namespace android_webview