[deoptimizer] Simplify handling of bottommost output frames.

This is a prerequisite for teaching deoptimizer to drop possible arguments adapter frame below current input frame which is needed to support tail call inlining.

Review URL: https://codereview.chromium.org/1761303002

Cr-Commit-Position: refs/heads/master@{#34533}

src/deoptimizer.h

@@ -600,6 +600,7 @@ class Deoptimizer : public Malloced {
                             unsigned output_offset,
                             const char* debug_hint_string);
 
+  unsigned ComputeInputFrameAboveFpFixedSize() const;
   unsigned ComputeInputFrameSize() const;
   static unsigned ComputeJavascriptFixedSize(SharedFunctionInfo* shared);
   static unsigned ComputeInterpretedFixedSize(SharedFunctionInfo* shared);
@@ -659,8 +660,15 @@ class Deoptimizer : public Malloced {
   // Array of output frame descriptions.
   FrameDescription** output_;
 
+  // Caller frame details computed from input frame.
+  intptr_t caller_frame_top_;
+  intptr_t caller_fp_;
+  intptr_t caller_pc_;
+  intptr_t caller_constant_pool_;
+  intptr_t input_frame_context_;
+
   // Key for lookup of previously materialized objects
-  Address stack_fp_;
+  intptr_t stack_fp_;
 
   TranslatedState translated_state_;
   struct ValueToMaterialize {