rdar://problem/10976649

Add SBFrame::IsEqual(const SBFrame &that) method and export it to the Python binding.
Alos add a test case test_frame_api_IsEqual() to TestFrames.py file.

llvm-svn: 152050
diff --git a/lldb/scripts/Python/interface/SBFrame.i b/lldb/scripts/Python/interface/SBFrame.i
index c718073..4bedbff 100644
--- a/lldb/scripts/Python/interface/SBFrame.i
+++ b/lldb/scripts/Python/interface/SBFrame.i
@@ -55,6 +55,9 @@
    ~SBFrame();
 
     bool
+    IsEqual (const lldb::SBFrame &rhs) const;
+
+    bool
     IsValid() const;
 
     uint32_t