46 lines
1.9 KiB
Diff
46 lines
1.9 KiB
Diff
diff --git ui/base/resource/resource_bundle.cc ui/base/resource/resource_bundle.cc
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index 3604fa07ff1c4..baf2f2d6507df 100644
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--- ui/base/resource/resource_bundle.cc
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+++ ui/base/resource/resource_bundle.cc
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@@ -944,6 +944,12 @@ ResourceBundle::ResourceBundle(Delegate* delegate)
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: delegate_(delegate),
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locale_resources_data_lock_(new base::Lock),
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max_scale_factor_(k100Percent) {
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+ // With CEF's multi-threaded mode the ResourceBundle may be created on the
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+ // main thread and then accessed on the UI thread. Allow the SequenceChecker
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+ // to re-bind on the UI thread when CalledOnValidSequence() is called for the
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+ // first time.
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+ DETACH_FROM_SEQUENCE(sequence_checker_);
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+
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mangle_localized_strings_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
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switches::kMangleLocalizedStrings);
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}
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@@ -953,6 +959,11 @@ ResourceBundle::~ResourceBundle() {
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UnloadLocaleResources();
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}
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+void ResourceBundle::CleanupOnUIThread() {
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+ FreeImages();
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+ font_cache_.clear();
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+}
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+
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// static
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void ResourceBundle::InitSharedInstance(Delegate* delegate) {
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DCHECK(g_shared_instance_ == nullptr) << "ResourceBundle initialized twice";
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diff --git ui/base/resource/resource_bundle.h ui/base/resource/resource_bundle.h
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index c24f5faf14d3f..96d4f6be11588 100644
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--- ui/base/resource/resource_bundle.h
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+++ ui/base/resource/resource_bundle.h
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@@ -219,6 +219,11 @@ class COMPONENT_EXPORT(UI_BASE) ResourceBundle {
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ResourceBundle(const ResourceBundle&) = delete;
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ResourceBundle& operator=(const ResourceBundle&) = delete;
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+ // With CEF's multi-threaded mode the ResourceBundle may be created/destroyed
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+ // on the main thread but accessed on the UI thread. Call this method on the
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+ // UI thread to clean up resources before destruction.
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+ void CleanupOnUIThread();
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+
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// Loads a secondary locale data pack using the given file region.
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void LoadSecondaryLocaleDataWithPakFileRegion(
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base::File pak_file,
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