Change most uses of Pickle to base::Pickle

content/common/child_process_sandbox_support_impl_linux.cc

Index: content/common/child_process_sandbox_support_impl_linux.cc
diff --git a/content/common/child_process_sandbox_support_impl_linux.cc b/content/common/child_process_sandbox_support_impl_linux.cc
index 7c9ee4e5c53d57601d53a0a8e3e92f56f8773db2..9fe1edb7be21fe938a2ac77ee756cb4d2b111b9e 100644
--- a/content/common/child_process_sandbox_support_impl_linux.cc
+++ b/content/common/child_process_sandbox_support_impl_linux.cc
@@ -27,7 +27,7 @@ void GetFallbackFontForCharacter(int32_t character,
                                  blink::WebFallbackFont* fallbackFont) {
   TRACE_EVENT0("sandbox_ipc", "GetFontFamilyForCharacter");
 
-  Pickle request;
+  base::Pickle request;
   request.WriteInt(LinuxSandbox::METHOD_GET_FALLBACK_FONT_FOR_CHAR);
   request.WriteInt(character);
   request.WriteString(preferred_locale);
@@ -43,8 +43,8 @@ void GetFallbackFontForCharacter(int32_t character,
   bool isBold = false;
   bool isItalic = false;
   if (n != -1) {
-    Pickle reply(reinterpret_cast<char*>(buf), n);
-    PickleIterator pickle_iter(reply);
+    base::Pickle reply(reinterpret_cast<char*>(buf), n);
+    base::PickleIterator pickle_iter(reply);
     if (pickle_iter.ReadString(&family_name) &&
         pickle_iter.ReadString(&filename) &&
         pickle_iter.ReadInt(&fontconfigInterfaceId) &&
@@ -77,7 +77,7 @@ void GetRenderStyleForStrike(const char* family,
   if (pixel_size > std::numeric_limits<uint16>::max())
     return;
 
-  Pickle request;
+  base::Pickle request;
   request.WriteInt(LinuxSandbox::METHOD_GET_STYLE_FOR_STRIKE);
   request.WriteString(family);
   request.WriteBool(bold);
@@ -90,8 +90,8 @@ void GetRenderStyleForStrike(const char* family,
   if (n == -1)
     return;
 
-  Pickle reply(reinterpret_cast<char*>(buf), n);
-  PickleIterator pickle_iter(reply);
+  base::Pickle reply(reinterpret_cast<char*>(buf), n);
+  base::PickleIterator pickle_iter(reply);
   int use_bitmaps, use_autohint, use_hinting, hint_style, use_antialias;
   int use_subpixel_rendering, use_subpixel_positioning;
   if (pickle_iter.ReadInt(&use_bitmaps) &&
@@ -118,7 +118,7 @@ int MatchFontWithFallback(const std::string& face,
                           PP_BrowserFont_Trusted_Family fallback_family) {
   TRACE_EVENT0("sandbox_ipc", "MatchFontWithFallback");
 
-  Pickle request;
+  base::Pickle request;
   request.WriteInt(LinuxSandbox::METHOD_MATCH_WITH_FALLBACK);
   request.WriteString(face);
   request.WriteBool(bold);