Create a minimal webkit_common static library for use in browser process

Source/common/WebFilterOperation.cpp

Index: Source/common/WebFilterOperation.cpp
diff --git a/Source/core/platform/chromium/support/WebFilterOperation.cpp b/Source/common/WebFilterOperation.cpp
similarity index 89%
rename from Source/core/platform/chromium/support/WebFilterOperation.cpp
rename to Source/common/WebFilterOperation.cpp
index d948cb2f865d5f81355344dc26a7450642281296..1ecd089e107fbe41820a1481a79673b089baca42 100644
--- a/Source/core/platform/chromium/support/WebFilterOperation.cpp
+++ b/Source/common/WebFilterOperation.cpp
@@ -24,9 +24,7 @@
  */
 
 #include "config.h"
-#include "public/platform/WebFilterOperation.h"
-
-#include <string.h>
+#include "public/common/WebFilterOperation.h"
 
 namespace WebKit {
 
@@ -38,16 +36,19 @@ bool WebFilterOperation::equals(const WebFilterOperation& other) const
         return !memcmp(m_matrix, other.m_matrix, sizeof(m_matrix));
     if (m_type == FilterTypeDropShadow) {
         return m_amount == other.m_amount
-            && m_dropShadowOffset == other.m_dropShadowOffset
+            && m_dropShadowOffsetX == other.m_dropShadowOffsetX
+            && m_dropShadowOffsetY == other.m_dropShadowOffsetY
             && m_dropShadowColor == other.m_dropShadowColor;
-    } else
+    } else {
         return m_amount == other.m_amount;
+    }
 }
 
 WebFilterOperation::WebFilterOperation(FilterType type, SkScalar matrix[20])
     : m_type(type)
     , m_amount(0)
-    , m_dropShadowOffset(0, 0)
+    , m_dropShadowOffsetX(0)
+    , m_dropShadowOffsetY(0)
     , m_dropShadowColor(0)
     , m_zoomInset(0)
 {