cc: Don't crash if GMB allocation fails

cc/resources/resource_provider.cc

 // Copyright 2012 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 "cc/resources/resource_provider.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/atomic_sequence_num.h"
@@ skipping 1519 matching lines @@
                      size.width(), size.height(), 0, GLDataFormat(format),
                      GLDataType(format), NULL);
     }
   }
 }
 
 void ResourceProvider::LazyCreateImage(Resource* resource) {
   DCHECK(resource->gpu_memory_buffer);
   DCHECK(resource->gl_id);
   DCHECK(resource->allocated);
+  // Avoid crashing in release builds if GpuMemoryBuffer allocation fails.
+  // http://crbug.com/554541
+  if (!resource->gpu_memory_buffer)
+    return;
   if (!resource->image_id) {
     GLES2Interface* gl = ContextGL();
     DCHECK(gl);
 
 #if defined(OS_CHROMEOS)
     // TODO(reveman): GL_COMMANDS_ISSUED_CHROMIUM is used for synchronization
     // on ChromeOS to avoid some performance issues. This only works with
     // shared memory backed buffers. crbug.com/436314
     DCHECK_EQ(resource->gpu_memory_buffer->GetHandle().type,
               gfx::SHARED_MEMORY_BUFFER);
@@ skipping 111 matching lines @@
       const int kImportance = 2;
       pmd->CreateSharedGlobalAllocatorDump(guid);
       pmd->AddOwnershipEdge(dump->guid(), guid, kImportance);
     }
   }
 
   return true;
 }
 
 }  // namespace cc