Revert r10603 (Remove operator== from SkPaint) due to Chrome failures



git-svn-id: http://skia.googlecode.com/svn/trunk@10632 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/views/animated/SkStaticTextView.cpp b/src/views/animated/SkStaticTextView.cpp
index bbef63d..0e4cad6 100644
--- a/src/views/animated/SkStaticTextView.cpp
+++ b/src/views/animated/SkStaticTextView.cpp
@@ -125,9 +125,12 @@
 
 void SkStaticTextView::setPaint(const SkPaint& paint)
 {
-    fPaint = paint;
-    this->computeSize();
-    this->inval(NULL);
+    if (fPaint != paint)
+    {
+        fPaint = paint;
+        this->computeSize();
+        this->inval(NULL);
+    }
 }
 
 void SkStaticTextView::onDraw(SkCanvas* canvas)