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Add a shared memory variant of CefProcessMessage (fixes issue #3126)

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CefSharedProcessMessageBuilder supports creation of a CefProcessMessage
backed by a CefSharedMemoryRegion.

Performance tests comparing the existing ArgumentList approach and the new
SharedMemoryRegion approach have been added to cefclient at
http://tests/ipc_performance.

CefMessageRouter has been updated to use SharedMemoryRegion as transport
for larger message payloads. The threshold is configurable via
|CefMessageRouterConfig.message_size_threshold|.

To test:
run `ceftests --gtest_filter=SendSharedProcessMessageTest.*:SharedProcessMessageTest.*:MessageRouterTest.Threshold*`
This commit is contained in:
Nik Pavlov
2022-07-04 09:49:15 +00:00
committed by Marshall Greenblatt
parent a931d49f3e
commit 81e892d19e
55 changed files with 4025 additions and 1132 deletions
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2
libcef/browser/frame_host_impl.h
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@@ -126,6 +126,8 @@ class CefFrameHostImpl : public CefFrame, public cef::mojom::BrowserFrame {
// cef::mojom::BrowserFrame methods forwarded from CefBrowserFrame.
void SendMessage(const std::string& name, base::Value arguments) override;
void SendSharedMemoryRegion(const std::string& name,
base::ReadOnlySharedMemoryRegion region) override;
void FrameAttached(mojo::PendingRemote<cef::mojom::RenderFrame> render_frame,
bool reattached) override;
void DidFinishFrameLoad(const GURL& validated_url,