Revert "Transfer large bitmaps using ashmem. Bug: 5224703"

This reverts commit 56c58f66b97d22fe7e7de1f7d9548bcbe1973029

This CL was causing the browser to crash when adding bookmarks, visiting the bookmarks page, and sharing pages (see bug http://b/issue?id=5369231
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index 53a53c4..bfe13f0 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -38,9 +38,6 @@
 class Parcel
 {
 public:
-    class ReadableBlob;
-    class WritableBlob;
-
                         Parcel();
                         ~Parcel();
     
@@ -112,13 +109,7 @@
     // Place a file descriptor into the parcel.  A dup of the fd is made, which
     // will be closed once the parcel is destroyed.
     status_t            writeDupFileDescriptor(int fd);
-
-    // Writes a blob to the parcel.
-    // If the blob is small, then it is stored in-place, otherwise it is
-    // transferred by way of an anonymous shared memory region.
-    // The caller should call release() on the blob after writing its contents.
-    status_t            writeBlob(size_t len, WritableBlob* outBlob);
-
+    
     status_t            writeObject(const flat_binder_object& val, bool nullMetaData);
 
     // Like Parcel.java's writeNoException().  Just writes a zero int32.
@@ -166,11 +157,7 @@
     // Retrieve a file descriptor from the parcel.  This returns the raw fd
     // in the parcel, which you do not own -- use dup() to get your own copy.
     int                 readFileDescriptor() const;
-
-    // Reads a blob from the parcel.
-    // The caller should call release() on the blob after reading its contents.
-    status_t            readBlob(size_t len, ReadableBlob* outBlob) const;
-
+    
     const flat_binder_object* readObject(bool nullMetaData) const;
 
     // Explicitly close all file descriptors in the parcel.
@@ -190,7 +177,7 @@
                                             release_func relFunc, void* relCookie);
     
     void                print(TextOutput& to, uint32_t flags = 0) const;
-
+        
 private:
                         Parcel(const Parcel& o);
     Parcel&             operator=(const Parcel& o);
@@ -228,36 +215,6 @@
     
     release_func        mOwner;
     void*               mOwnerCookie;
-
-    class Blob {
-    public:
-        Blob();
-        ~Blob();
-
-        void release();
-        inline size_t size() const { return mSize; }
-
-    protected:
-        void init(bool mapped, void* data, size_t size);
-        void clear();
-
-        bool mMapped;
-        void* mData;
-        size_t mSize;
-    };
-
-public:
-    class ReadableBlob : public Blob {
-        friend class Parcel;
-    public:
-        inline const void* data() const { return mData; }
-    };
-
-    class WritableBlob : public Blob {
-        friend class Parcel;
-    public:
-        inline void* data() { return mData; }
-    };
 };
 
 // ---------------------------------------------------------------------------