[Webkit-unassigned] [Bug 97347] New: [chromium] Expose image decode and image scale time to WebViewImpl

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=97347

           Summary: [chromium] Expose image decode and image scale time to
                    WebViewImpl
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: nick at chromium.org
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


WebRenderingStats should be extended with fields tracking time spent in the activities of image scaling and image decoding. WebViewImpl::renderingStats should fill in these new fields.

Tactically, it makes sense to build on top of the instrumentation already in place in PlatformInstrumentation.h (e.g. PlatformInstrumentation::willDecodeImage).

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