Move Pickle to base namespace.

content/common/cc_messages.h

Index: content/common/cc_messages.h
diff --git a/content/common/cc_messages.h b/content/common/cc_messages.h
index 1df0ac05c366cebbc02298f01b780c330e14630e..02060449d59473cdbad301c6c2d4d0dba7bd5f5f 100644
--- a/content/common/cc_messages.h
+++ b/content/common/cc_messages.h
@@ -50,7 +50,7 @@ template <>
 struct ParamTraits<cc::FilterOperation> {
   typedef cc::FilterOperation param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -58,7 +58,7 @@ template <>
 struct ParamTraits<cc::FilterOperations> {
   typedef cc::FilterOperations param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -66,7 +66,7 @@ template <>
 struct ParamTraits<skia::RefPtr<SkImageFilter> > {
   typedef skia::RefPtr<SkImageFilter> param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -74,7 +74,7 @@ template <>
 struct ParamTraits<gfx::Transform> {
   typedef gfx::Transform param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -82,7 +82,7 @@ template <>
 struct CONTENT_EXPORT ParamTraits<cc::RenderPass> {
   typedef cc::RenderPass param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -90,7 +90,7 @@ template<>
 struct CONTENT_EXPORT ParamTraits<cc::CompositorFrame> {
   typedef cc::CompositorFrame param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* p);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -98,7 +98,7 @@ template<>
 struct CONTENT_EXPORT ParamTraits<cc::CompositorFrameAck> {
   typedef cc::CompositorFrameAck param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* p);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -106,7 +106,7 @@ template<>
 struct CONTENT_EXPORT ParamTraits<cc::DelegatedFrameData> {
   typedef cc::DelegatedFrameData param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* p);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ -114,7 +114,7 @@ template <>
 struct CONTENT_EXPORT ParamTraits<cc::SoftwareFrameData> {
   typedef cc::SoftwareFrameData param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, PickleIterator* iter, param_type* p);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };