content/common/child_process_messages.h - Issue 1671933002: Create and pass shared-histogram-allocator from browser to renderer.

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Unified Diff: content/common/child_process_messages.h

Issue 1671933002: Create and pass shared-histogram-allocator from browser to renderer. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@hsm-merge

Patch Set: cleanup on RenderProcessHostDestroyed instead of RenderProcessExited; use existing ScopedObserver c… Created 4 years, 10 months ago

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« content/child/child_histogram_message_filter.cc ('K') | « content/child/child_histogram_message_filter.cc ('k') | content/public/browser/render_process_host.h » ('j') | content/public/test/mock_render_process_host.h » ('J')
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Index: content/common/child_process_messages.h

diff --git a/content/common/child_process_messages.h b/content/common/child_process_messages.h

index b4ee49f122da45dec813320e4bf86d51f2742218..564a9734982958247ed2cf495fe3e072fcd9f853 100644

--- a/content/common/child_process_messages.h

+++ b/content/common/child_process_messages.h

@@ -114,6 +114,14 @@ IPC_MESSAGE_CONTROL2(ChildProcessMsg_GetChildProfilerData,

IPC_MESSAGE_CONTROL1(ChildProcessMsg_ProfilingPhaseCompleted,

int /* profiling_phase */)

+// Sent to set the shared memory buffer to be used for storing histograms that

+// are to be reported by the browser process to UMA. The following message

+// (GetChildHistogramData) won't return any histograms created after this is

+// processed.

+IPC_MESSAGE_CONTROL2(ChildProcessMsg_SetHistogramMemory,

+ base::SharedMemoryHandle /* shm_handle */,

+ int /* shm_size */)

// Send to all the child processes to send back histogram data.

IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData,

int /* sequence_number */)