Avoid calling updateAllLifecyclePhasesExceptPaint in SVGImage if not needed.

third_party/WebKit/Source/platform/Widget.cpp

Index: third_party/WebKit/Source/platform/Widget.cpp
diff --git a/third_party/WebKit/Source/platform/Widget.cpp b/third_party/WebKit/Source/platform/Widget.cpp
index b4aa2afa43a83079c89ecb19088a0e6c9b0d2a70..e23bf9570b22ebbdb76cc0feb5ce11705f00d7b4 100644
--- a/third_party/WebKit/Source/platform/Widget.cpp
+++ b/third_party/WebKit/Source/platform/Widget.cpp
@@ -27,6 +27,7 @@
 #include "platform/Widget.h"
 
 #include "wtf/Assertions.h"
+#include "wtf/text/WTFString.h"

[fs, 2016/05/23 21:25:56]

Hmm?

 
 namespace blink {
 
@@ -66,6 +67,20 @@ Widget* Widget::root() const
     return 0;
 }
 
+bool Widget::resize(int w, int h)
+{
+    return resize(IntSize(w, h));
+}
+
+bool Widget::resize(const IntSize& s)
+{
+    IntRect newFrameRect(IntRect(location(), s));

[fs, 2016/05/23 21:25:56]

newFrameRect(location(), s);

Could also just compare the size first since the location is trivially
invariant.

+    if (newFrameRect == frameRect())
+        return false;
+    setFrameRect(newFrameRect);
+    return true;
+}
+
 IntRect Widget::convertFromRootFrame(const IntRect& rectInRootFrame) const
 {
     if (const Widget* parentWidget = parent()) {