Repaint on interest rect change

third_party/WebKit/Source/core/frame/FrameView.h

Index: third_party/WebKit/Source/core/frame/FrameView.h
diff --git a/third_party/WebKit/Source/core/frame/FrameView.h b/third_party/WebKit/Source/core/frame/FrameView.h
index 48e39bf1056e4bdc36aa9e033567d38452f788fd..cadd5cd3a620dd09cf2692825a03809e2e7db7df 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.h
+++ b/third_party/WebKit/Source/core/frame/FrameView.h
@@ -232,8 +232,7 @@ public:
     // Run all needed lifecycle stages. After calling this method, all frames will be in the lifecycle state PaintInvalidationClean.
     // If lifecycle throttling is allowed (see DocumentLifecycle::PreventThrottlingScope), some frames may skip the lifecycle update
     // (e.g., based on visibility) and will not end up being PaintInvalidationClean.
-    // TODO(pdr): Update callers to pass in the interest rect.
-    void updateAllLifecyclePhases(const LayoutRect* interestRect = nullptr);
+    void updateAllLifecyclePhases(const IntRect* interestRect = nullptr);

[chrishtr, 2015/10/29 17:21:30]

Will there be any non-testing use case for passing an interest rect here?
If not, we should find a way to test without this.

[Xianzhu, 2015/10/29 18:31:28]

Done.

 
     // Computes the style, layout and compositing lifecycle stages if needed. After calling this method, all frames wil lbe in a lifecycle
     // state >= CompositingClean, and scrolling has been updated (unless throttling is allowed).
@@ -632,13 +631,13 @@ private:
         AllPhases,
     };
 
-    void updateLifecyclePhasesInternal(LifeCycleUpdateOption, const LayoutRect* interestRect);
+    void updateLifecyclePhasesInternal(LifeCycleUpdateOption, const IntRect* interestRect);
     void invalidateTreeIfNeededRecursive();
     void scrollContentsIfNeededRecursive();
     void updateStyleAndLayoutIfNeededRecursive();
     void updatePaintProperties();
-    void synchronizedPaint(const LayoutRect* interestRect);
-    void synchronizedPaintRecursively(GraphicsLayer*, const LayoutRect* interestRect);
+    void synchronizedPaint(const IntRect* interestRect);
+    void synchronizedPaintRecursively(GraphicsLayer*, const IntRect* interestRect);
     void compositeForSlimmingPaintV2();
 
     void reset();