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Unified Diff: Source/core/frame/Frame.cpp

Issue 908453003: Blink changes to record interest rects for http://w3c.github.io/frame-timing/ (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 5 years, 10 months ago
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Index: Source/core/frame/Frame.cpp
diff --git a/Source/core/frame/Frame.cpp b/Source/core/frame/Frame.cpp
index 05ce11401e7fe5d00669b50c267b724c022ee314..ba073ef947b4075e74068dd6c04a3f891be7deb3 100644
--- a/Source/core/frame/Frame.cpp
+++ b/Source/core/frame/Frame.cpp
@@ -55,6 +55,18 @@ namespace blink {
using namespace HTMLNames;
+namespace {
+
+int64_t generateFrameID()
+{
+ // Initialize to the current time to reduce the likelihood of generating
+ // identifiers that overlap with those from past/future browser sessions.
+ static int64_t next = static_cast<int64_t>(currentTime() * 1000000.0);
+ return ++next;
+}
+
+} // namespace
+
DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, frameCounter, ("Frame"));
Frame::~Frame()
@@ -290,6 +302,7 @@ Frame::Frame(FrameClient* client, FrameHost* host, FrameOwner* owner)
, m_host(host)
, m_owner(owner)
, m_client(client)
+ , m_frameID(generateFrameID())
, m_remotePlatformLayer(nullptr)
, m_isLoading(false)
{

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