Fix SetStreamTextureSize crash

content/renderer/media/android/stream_texture_wrapper_impl.cc

Index: content/renderer/media/android/stream_texture_wrapper_impl.cc
diff --git a/content/renderer/media/android/stream_texture_wrapper_impl.cc b/content/renderer/media/android/stream_texture_wrapper_impl.cc
index 67ecb156140c3a4038aceda5e4f2a1a200bd7b62..036612f2dfdfff316fcaff8bf7be6142c765ccee 100644
--- a/content/renderer/media/android/stream_texture_wrapper_impl.cc
+++ b/content/renderer/media/android/stream_texture_wrapper_impl.cc
@@ -129,6 +129,10 @@ void StreamTextureWrapperImpl::UpdateTextureSize(const gfx::Size& new_size) {
     return;
   }
 
+  // InitializeOnMainThread() hasn't run, or failed.
+  if (!stream_texture_proxy_)
+    return;
+
   if (natural_size_ == new_size)
     return;
 
@@ -142,7 +146,7 @@ void StreamTextureWrapperImpl::Initialize(
     const base::Closure& received_frame_cb,
     const gfx::Size& natural_size,
     scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner,
-    const base::Closure& init_cb) {
+    const StreamTextureWrapperInitCB& init_cb) {
   DVLOG(2) << __func__;
 
   compositor_task_runner_ = compositor_task_runner;
@@ -156,24 +160,23 @@ void StreamTextureWrapperImpl::Initialize(
 
 void StreamTextureWrapperImpl::InitializeOnMainThread(
     const base::Closure& received_frame_cb,
-    const base::Closure& init_cb) {
+    const StreamTextureWrapperInitCB& init_cb) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
   DVLOG(2) << __func__;
 
   stream_texture_proxy_ = factory_->CreateProxy(
       kGLTextureExternalOES, &texture_id_, &texture_mailbox_);
-  if (!stream_texture_proxy_)
+  if (!stream_texture_proxy_) {
+    init_cb.Run(false);
     return;
+  }
 
   ReallocateVideoFrame(natural_size_);
 
   stream_texture_proxy_->BindToTaskRunner(received_frame_cb,
                                           compositor_task_runner_);
 
-  // TODO(tguilbert): Register the surface properly. See crbug.com/627658.
-
-  // |init_cb| is bound to the thread that originally called Initialize().
-  init_cb.Run();
+  init_cb.Run(true);
 }
 
 void StreamTextureWrapperImpl::Destroy() {