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This CL fills in most of the logic for sending a Windows HANDLE from a
non-broker process to the broker process. This consists of several small
changes:
- Create the new IPC messages AttachmentBrokerMsg_WinHandleHasBeenBrokered and
AttachmentBrokerMsg_RequestBrokerageOfWinHandle.
- Add a sender_ member variable to AttachmentBrokerWin.
- Define the wire format for HandleAttachmentWin.
- Add logic to ChannelWin to send
AttachmentBrokerMsg_RequestBrokerageOfWinHandle for each HANDLE attachment.
BUG=466437
Review URL: https://codereview.chromium.org/1188923003
Cr-Commit-Position: refs/heads/master@{#337689}
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The implementations of these classes are just stubs.
BUG=493414
Review URL: https://codereview.chromium.org/1180313007
Cr-Commit-Position: refs/heads/master@{#334676}
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This CL introduces MojoHandleAttachment, a MessageAttachment subclass.
With this and ChannelMojo, we are able to send Mojo MessagePipes
over IPC.
There is also MojoMessageHelper which provides some static member functions
that reads and writes MessagePipes from/to a Message. In coming changes,
we'll add ParamTraits for MessagePipe based on this.
R=agl@chromium.org, viettrungluu@chromium.org
TEST=IPCChannelMojoTest.SendMessagePipe, IPCChannelMojoTest.SendPlatformHandleAndPipe
BUG=448190
Review URL: https://codereview.chromium.org/866223005
Cr-Commit-Position: refs/heads/master@{#314930}
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This change:
* Gets rid of MessageAttachmentSet::owning_descriptors_ by moving
the responsibility to PlatformFileAttachment, where owning_
member variable is used to track the lifetime
* Replaces MessageAttachmetnSet::Add*File() and TakePlatformFile()
with platform agnostic AddAttachment() and GetAttachmentAt()
* Repalces Message::ReadFile(), Write*File() with ReadAttachment()
and WriteAttachmente(), which are also platform agnostic.
This also adds MessageAttachment::TakePlatformFile() virtual function,
which will be implemented by upcoming MojoHandleAttachment as well.
This is another preparation for introducing MojoHandleAttachment,
but it also simplifies Message and MessageAttachmentSet.
R=agl@chromium.org
TBR=mtomasz@chromium.org
BUG=448190
Review URL: https://codereview.chromium.org/883093003
Cr-Commit-Position: refs/heads/master@{#314047}
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This is another preparation for crbug.com/448190.
This change encapsulates a platform file as a MessageAttachment
abstract class and its subclass called PlatformFileAttachment.
This abstraction allows MessageAttachmentSet to contain not only
platform files, but also a mojo MessagePipes, which will be
encapsulated by another MessageAttachment subclass.
BUG=448190
R=agl@chromium.org, viettrungluu@chromium.org
Review URL: https://codereview.chromium.org/856443003
Cr-Commit-Position: refs/heads/master@{#313157}
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