[inspector] [wasm] Implement GetPossibleBreakpoints

test/inspector/debugger/wasm-get-breakable-locations-expected.txt

 Running testFunction...
 Script nr 0 parsed. URL: 
 Script nr 1 parsed. URL: 
 Script nr 2 parsed. URL: wasm://wasm/wasm-f6f6230e/wasm-f6f6230e-1
-This is a wasm script. Requesting breakable locations.
+This is a wasm script (nr 0).
 Script nr 3 parsed. URL: wasm://wasm/wasm-f6f6230e/wasm-f6f6230e-2
-This is a wasm script. Requesting breakable locations.
-{
-    error : {
-        code : -32603
-        message : Internal error
-    }
-    id : <messageId>
-}
-{
-    error : {
-        code : -32603
-        message : Internal error
-    }
-    id : <messageId>
-}
+This is a wasm script (nr 1).
+Paused on 'debugger'.
+Requesting all breakable locations in wasm script 0
+4 breakable location(s):
+[0] 2:0 || nop
+[1] 3:0 || i32.const 12
+[2] 4:0 || set_local 0
+[3] 5:0 || call 0
+Requesting breakable locations up to line 2
+1 breakable location(s):
+[0] 2:0 || nop
+Requesting breakable locations in lines 3-4
+2 breakable location(s):
+[0] 3:0 || i32.const 12
+[1] 4:0 || set_local 0
+Requesting all breakable locations in wasm script 1
+6 breakable location(s):
+[0] 1:0 || get_local 0
+[1] 2:0 || if
+[2] 3:2 ||   block
+[3] 4:4 ||     call 1
+[4] 5:2 ||   end
+[5] 6:0 || end
+Requesting breakable locations up to line 2
+2 breakable location(s):
+[0] 1:0 || get_local 0
+[1] 2:0 || if
+Requesting breakable locations in lines 3-4
+2 breakable location(s):
+[0] 3:2 ||   block
+[1] 4:4 ||     call 1
+Finished!