Revert of [inspector] use BREAK_POSITION_ALIGNED for breakpoints (patchset #7...

Revert of [inspector] use BREAK_POSITION_ALIGNED for breakpoints (patchset #7 id:120001 of https://codereview.chromium.org/2709263002/ )

Reason for revert:
breaks layout tests:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/13747

which blocks rolling. See also:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> [inspector] use BREAK_POSITION_ALIGNED for breakpoints
>
> With inline breakpoints DevTools are ready for break position aligned breakpoints instead of statement aligned.
>
> BUG=chromium:695236
> R=dgozman@chromium.org,yangguo@chromium.org
>
> Review-Url: https://codereview.chromium.org/2709263002
> Cr-Commit-Position: refs/heads/master@{#43385}
> Committed: https://chromium.googlesource.com/v8/v8/+/2fed7a0090b316d77ebbf509d2cc98edd4b6ccf0

TBR=dgozman@chromium.org,yangguo@chromium.org,kozyatinskiy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:695236

Review-Url: https://codereview.chromium.org/2709313003
Cr-Commit-Position: refs/heads/master@{#43395}

src/debug/debug.cc

@@ -1378,7 +1378,7 @@ bool Debug::GetPossibleBreakpoints(Handle<Script> script, int start_position,
       CHECK(candidates[i]->HasDebugInfo());
       Handle<DebugInfo> debug_info(candidates[i]->GetDebugInfo());
       FindBreakablePositions(debug_info, start_position, end_position,
-                             BREAK_POSITION_ALIGNED, positions);
+                             STATEMENT_ALIGNED, positions);
     }
     return true;
   }

src/inspector/debugger-script.js

@@ -108,7 +108,7 @@ DebuggerScript.getGeneratorScopes = function(gen)
  */
 DebuggerScript.setBreakpoint = function(execState, info)
 {
-    var breakId = Debug.setScriptBreakPointById(info.sourceID, info.lineNumber, info.columnNumber, info.condition, undefined, Debug.BreakPositionAlignment.BreakPosition);
+    var breakId = Debug.setScriptBreakPointById(info.sourceID, info.lineNumber, info.columnNumber, info.condition, undefined, Debug.BreakPositionAlignment.Statement);
     var locations = Debug.findBreakPointActualLocations(breakId);
     if (!locations.length)
         return undefined;

test/inspector/testcfg.py

@@ -71,7 +71,7 @@ class InspectorProtocolTestSuite(testsuite.TestSuite):
 
     def ExpIterator():
       for line in expected_lines:
-        if not line.strip(): continue
+        if line.startswith("#") or not line.strip(): continue
         yield line.strip()
 
     def ActIterator(lines):