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Highlights of changes:
- Added methods to disk_cache::Entry:
- Entry::PrepareTargetAsExternalFile(int index)
Prepare a stream in an entry to use external file for storage.
- Entry::GetExternalFile(int index)
Get the external file backing the stream in the entry.
- Added a property "CacheType type_" to HttpCache, along with setter and getter.
There shall be two cache types, COMMON_CACHE and MEDIA_CACHE for distinguishing between different purpose of HttpCache. We have this property to trigger special behavior for caching needs of media files.
- Added static methods to ChromeURLRequestContext
- ChromeURLRequestContext::CreateOriginalForMedia
Create a URLRequestContext for media files for the original profile.
- ChromeURLRequestContext::CreateOffTheRecordForMedia
Create a URLRequestContext for media files for off the record profile.
- Added method to Profile interface.
- GetRequestContextForMedia
To get the request context for media files from the context.
Design decissions:
- Enforce writing to external file by calling methods to Entry rather than construct Backend by a different flag.
Since we only want a valid and full response to go into an external file rather than redirection response or erroneous response, we should let HttpCache::Transaction to decide when to have an external file for response data. We eliminate a lot of useless external cache files.
- Adding the CacheType enum and property to HttpCache, we could allow possible (?) future extensions to HttpCache to handle other different caching needs. And there's no need to add change constructors of HttpCache, but maybe we should add a specific constructor to accomodate a media HttpCache?
- Adding Profile::GetRequestContextForMedia()
Since we will need to use this new request context in ResourceDispatcherHost, I think the best place to keep it is in the profile. Also we will expose to user that there's a separate cache for media, so it's better to expose it in the Profile level to allow settings to the media cache, e.g. max file size, etc.
Review URL: http://codereview.chromium.org/19747
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10745 0039d316-1c4b-4281-b951-d872f2087c98
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This revision changes half of the source files!".
Review URL: http://codereview.chromium.org/20378
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@9958 0039d316-1c4b-4281-b951-d872f2087c98
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Add a boolean to indicate if the request_time_ was
set via a call to Now(), vs unpickling from the
cache, so that cached results can be excluded from
latency measurements.
bug=1561947
r=darin,rvargas
Review URL: http://codereview.chromium.org/17371
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@7942 0039d316-1c4b-4281-b951-d872f2087c98
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Review URL: http://codereview.chromium.org/7995
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@4022 0039d316-1c4b-4281-b951-d872f2087c98
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git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1287 0039d316-1c4b-4281-b951-d872f2087c98
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git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14 0039d316-1c4b-4281-b951-d872f2087c98
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