Create a minimal webkit_common static library for use in browser process

public/common/WebString.h

Index: public/common/WebString.h
diff --git a/public/platform/WebString.h b/public/common/WebString.h
similarity index 73%
copy from public/platform/WebString.h
copy to public/common/WebString.h
index 1d3b4024185ed0b14e02b0b4aa86dd1b165fba68..8c7e6497ce4529fd6e5ed098b9d3fae1d5e67605 100644
--- a/public/platform/WebString.h
+++ b/public/common/WebString.h
@@ -31,26 +31,37 @@
 #ifndef WebString_h
 #define WebString_h
 
-#include "WebCommon.h"
+#include "WebCommonExport.h"
 #include "WebPrivatePtr.h"
 
-#if WEBKIT_IMPLEMENTATION
-#include <wtf/Forward.h>
-#else
+#if !defined(INSIDE_WEBKIT)
 #include <base/nullable_string16.h>
 #include <base/string16.h>
 #include <base/strings/latin1_string_conversions.h>
 #endif
 
 namespace WTF {
+class AtomicString;
+class String;
 class StringImpl;
 }
 
 namespace WebKit {
 
+// UTF-16 character type
+#if defined(WIN32)
+typedef wchar_t WebUChar;
+#else
+typedef unsigned short WebUChar;
+#endif
+
+// Latin-1 character type
+typedef unsigned char WebLChar;
+
+
 class WebCString;
 
-// A UTF-16 string container.  It is inexpensive to copy a WebString
+// A UTF-16 string container. It is inexpensive to copy a WebString
 // object.
 //
 // WARNING: It is not safe to pass a WebString across threads!!!
@@ -74,24 +85,24 @@ public:
         return *this;
     }
 
-    WEBKIT_EXPORT void reset();
-    WEBKIT_EXPORT void assign(const WebString&);
-    WEBKIT_EXPORT void assign(const WebUChar* data, size_t len);
+    BLINK_COMMON_EXPORT void reset();
+    BLINK_COMMON_EXPORT void assign(const WebString&);
+    BLINK_COMMON_EXPORT void assign(const WebUChar* data, size_t len);
 
-    WEBKIT_EXPORT bool equals(const WebString& s) const;
+    BLINK_COMMON_EXPORT bool equals(const WebString&) const;
 
-    WEBKIT_EXPORT size_t length() const;
+    BLINK_COMMON_EXPORT size_t length() const;
 
     // Caller must check bounds.
-    WEBKIT_EXPORT WebUChar at(unsigned) const;
+    BLINK_COMMON_EXPORT WebUChar at(unsigned) const;
 
     bool isEmpty() const { return !length(); }
     bool isNull() const { return m_private.isNull(); }
 
-    WEBKIT_EXPORT WebCString utf8() const;
+    BLINK_COMMON_EXPORT WebCString utf8() const;
 
-    WEBKIT_EXPORT static WebString fromUTF8(const char* data, size_t length);
-    WEBKIT_EXPORT static WebString fromUTF8(const char* data);
+    BLINK_COMMON_EXPORT static WebString fromUTF8(const char* data, size_t length);
+    BLINK_COMMON_EXPORT static WebString fromUTF8(const char* data);
 
     template <int N> WebString(const char (&data)[N])
     {
@@ -104,14 +115,14 @@ public:
         return *this;
     }
 
-#if WEBKIT_IMPLEMENTATION
-    WebString(const WTF::String&);
-    WebString& operator=(const WTF::String&);
-    operator WTF::String() const;
+#if defined(INSIDE_WEBKIT)
+    BLINK_COMMON_EXPORT WebString(const WTF::String&);
+    BLINK_COMMON_EXPORT WebString& operator=(const WTF::String&);
+    BLINK_COMMON_EXPORT operator WTF::String() const;
 
-    WebString(const WTF::AtomicString&);
-    WebString& operator=(const WTF::AtomicString&);
-    operator WTF::AtomicString() const;
+    BLINK_COMMON_EXPORT WebString(const WTF::AtomicString&);
+    BLINK_COMMON_EXPORT WebString& operator=(const WTF::AtomicString&);
+    BLINK_COMMON_EXPORT operator WTF::AtomicString() const;
 #else
 
     WebString(const string16& s)
@@ -160,9 +171,9 @@ public:
 #endif
 
 private:
-    WEBKIT_EXPORT bool is8Bit() const;
-    WEBKIT_EXPORT const WebLChar* data8() const;
-    WEBKIT_EXPORT const WebUChar* data16() const;
+    BLINK_COMMON_EXPORT bool is8Bit() const;
+    BLINK_COMMON_EXPORT const WebLChar* data8() const;
+    BLINK_COMMON_EXPORT const WebUChar* data16() const;
 
     void assign(WTF::StringImpl*);